Shareholders' Equity (Details Narrative)

v3.20.1

Shareholders' Equity (Details Narrative) $ / shares in Units, $ in Thousands													1 Months Ended					12 Months Ended
	Nov. 13, 2019 USD ($)	Aug. 20, 2019 shares	Aug. 08, 2019 $ / shares shares	Jul. 10, 2019 USD ($) $ / shares shares	Jul. 02, 2019 USD ($) $ / shares shares	Mar. 05, 2019 shares	Feb. 13, 2019 USD ($) $ / shares shares	Oct. 01, 2018 shares	Jul. 03, 2018 USD ($) Number $ / shares shares	Jul. 02, 2018 USD ($) $ / shares shares	Jun. 06, 2018 USD ($) $ / shares shares	Mar. 12, 2018 USD ($) $ / shares shares	Nov. 26, 2019 shares	Jan. 31, 2019 USD ($) $ / shares shares	Dec. 24, 2018 USD ($) $ / shares shares	Mar. 27, 2018 USD ($) shares	Feb. 16, 2018 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Oct. 04, 2019 USD ($) $ / shares shares	Feb. 06, 2019 $ / shares shares	Jan. 02, 2019 $ / shares shares	Oct. 06, 2018 $ / shares shares	Oct. 02, 2018 $ / shares shares	Dec. 31, 2017 $ / shares
Number of options exercised | shares																		416	15,292
Exercise price (in dollars per share) | $ / shares																		$ 3.78	$ 3.31
Proceeds from exercise options																		$ 2	$ 48
Net proceeds																		$ 20,000	$ 31,000
Number of shares issued upon services | shares																15,000
Value of shares issued upon services																$ 69
Option expected life																		5 years 9 months 18 days	5 years 9 months 18 days
Prepaid expense																		$ 0	$ 344
General and administrative expense																		9,497	8,547
Accounts payable and accrued expenses																		2,999	2,140
Unamortized stock compensation for stock options																		$ 3,402
Unamortized stock compensation for stock options period																		1 year 22 days
Number of outstanding options to purchase | shares																		1,937,106
Weighted-average exercise price (in dollars per share) | $ / shares																		$ 4.35
Share based compensation expense related to stock options																		$ 2,393	1,832
Liability in relation to the firm's compensation																		$ 13,929	$ 4,437
Company's common stock authorized for issuance | shares																		50,000,000	50,000,000
Number of common stock available for grant | shares																		1,242,144	812,000
Description of incentive plan																		On January 1, 2020, pursuant to an annual evergreen provision, the number of shares of common stock reserved for future grants was increased by 1,728,665 shares. Under the 2016 Plan, effective as of January 1, 2020, the maximum number of shares of the Company's common stock authorized for issuance is 5,656,324. As of December 31, 2019, there were 147,867 shares of common stock available for future grant under the 2016 Plan.
Executive Search Firm [Member]
Description of compensation paid to executive search firm									The terms of the engagement were that upon a successful search, the Company would compensate the Firm one-third of the total first-year actual cash compensation for the position. The Company agreed to (a) make payments based on the CEO’s base salary of $475, and (b) make a true-up payment (the “True-up Payment”) at the end of the CEO’s first year of employment based on the actual cash compensation earned within the CEO’s first year of employment, exclusive of any Employment Buy-Out Payments.
Buy-out payments									$ 475
Restricted Stock Units (RSUs) [Member]
Number of shares issued | shares						165,000												241,112
Expected life							4 years
Expensed using the straight-line method							$ 329
Granted | shares							76,112											76,112
Option expected life							4 years
General and administrative expense																		$ 280	$ 51
Unamortized stock compensation for stock options																		$ 811
Unamortized stock compensation for stock options period																		1 year 6 months 18 days
Initial Public Offering [Member]
Number of shares issued | shares															5,750,000		3,500,000
Number of shares unissued | shares																	5.00
Share price (in dollars per share) | $ / shares															$ 2.70
Net proceeds															$ 14,036		$ 15,000
Underwriting discounts and commissions															1,086		1,400
Other offering expenses															$ 402		$ 1,100
Underwriters Option [Member]
Number of options exercised | shares															750,000
Number of shares issued | shares															750,000
Net proceeds															$ 1,883
Underwritten Public Offering [Member]
Number of shares issued | shares					6,666,667
Share price (in dollars per share) | $ / shares					$ 3.00
Net proceeds					$ 18,241
Underwriting discounts and commissions					1,500
Other offering expenses					$ 259
Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]
Number of shares issued | shares						10,313
Employee [Member]
Number of options exercised | shares														416
Number of shares issued | shares														416
Exercise price (in dollars per share) | $ / shares														$ 3.78
Proceeds from exercise options														$ 2
Firm Compensation Consultant Expense [Member]
General and administrative expense																		$ 251
Description of consultant expense																		(i) $158 earned for one-third of $475 paid 75% in cash and 25% by issuing the a variable number of warrants, and (ii) $93 for the estimated cash portion of the True-up Payment that will also be paid 75% in cash and 25% by issuing a variable number of warrants. During the year ended December 31, 2018, the Company paid $119 and issued a warrant to purchase 7,917 shares of the Company's common stock, with an exercise price of $5.00 per share and expires on November 8, 2021, as payment for the cash and equity components for the initial base salary measurement. As of December 31, 2018, the Company has recorded $93 in accounts payable and accrued expenses in relation to this agreement.
Warrant [Member]
Warrant exericse price (in dollars per share) | $ / shares																		$ 5.24	$ 5.24						$ 5.07
Value of shares issued upon services																		$ 22	$ 0
Common Stock [Member] | Over-Allotment Option [Member]
Number of shares issued | shares					1,000,000
Exercise price (in dollars per share) | $ / shares					$ 3.00
Common Stock [Member] | Over-Allotment Option [Member]
Number of shares issued | shares				648,333
Share price (in dollars per share) | $ / shares				$ 3.00
Net proceeds				$ 1,789
Underwriting discounts and commissions				$ 156
Common Stock [Member] | Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]
Granted | shares								165,000
Common Stock [Member] | Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] | November 26, 2019 [Member]
Granted | shares								165,000
Common Stock [Member] | CEO And Executives [Member] | Restricted Stock Units (RSUs) [Member]
Number of shares issued | shares		30,140											15,070
Common Stock [Member] | Executive Officer [Member]
Granted | shares							76,112
Common Stock [Member] | Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] | November 26, 2019 [Member]
Granted | shares							76,112
Nonforfeitable Shares Common Stock And Warrants [Member]
Prepaid expense																		0	27
Amended and Restated Employment Agreement [Member] | November 2019 Consultant Warrant [Member]
Number of warrants purchased | shares							30,000
Warrant exericse price (in dollars per share) | $ / shares							$ 5.00
Number of shares issued upon services | shares							30,000
Value of shares issued upon services							$ 55
General and administrative expense																		55
Amended and Restated Employment Agreement [Member] | November 2019 Consultant Warrant [Member] | Risk Free Interest Rate [Member]
Risk-free rate							2.52%
Amended and Restated Employment Agreement [Member] | November 2019 Consultant Warrant [Member] | Volatility [Member]
Volatility rate							67.43%
Amended and Restated Employment Agreement [Member] | November 2019 Consultant Warrant [Member] | Expected Term [Member]
Expected life							3 years
Amended and Restated Employment Agreement [Member] | November 2019 Consultant Warrant [Member] | Dividend Rate [Member]
Warrants, measurement input							0.00
Amended and Restated Employment Agreement [Member] | Warrant [Member]
Number of warrants purchased | shares							50,000
Warrant exericse price (in dollars per share) | $ / shares							$ 5.00
Expected life							9 months
Expensed using the straight-line method							$ 90
General and administrative expense																		90
Amended and Restated Employment Agreement [Member] | Warrant [Member] | Risk Free Interest Rate [Member]
Risk-free rate							2.52%
Amended and Restated Employment Agreement [Member] | Warrant [Member] | Volatility [Member]
Volatility rate							67.43%
Amended and Restated Employment Agreement [Member] | Warrant [Member] | Expected Term [Member]
Expected life							3 years
Amended and Restated Employment Agreement [Member] | Warrant [Member] | Dividend Rate [Member]
Warrants, measurement input							0.00
Amendment Consulting Agreement [Member] | Chief Executive Officer [Member]
Annual base salary payable									$ 475
Amendment Consulting Agreement [Member] | Warrant [Member]
Number of warrants purchased | shares									90,000
Warrant exericse price (in dollars per share) | $ / shares									$ 8.50
Number of shares issued upon services | shares									30,000
Expected life									5 years
Expensed using the straight-line method									$ 594
Prepaid expense																		0	317
General and administrative expense																		317	277
Amendment Consulting Agreement [Member] | Warrant [Member] | Risk Free Interest Rate [Member]
Volatility rate									2.72%
Amendment Consulting Agreement [Member] | Warrant [Member] | Volatility [Member]
Volatility rate									68.31%
Amendment Consulting Agreement [Member] | Warrant [Member] | Expected Term [Member]
Expected life									5 years
Amendment Consulting Agreement [Member] | Warrant [Member] | Dividend Rate [Member]
Warrants, measurement input									0.00
Amendment To Registration Rights Agreement And Certificate Of Designation [Member] | Over-Allotment Option [Member]
Number of shares issued | shares																	525,000
Warrant term (in years)																	5 years
Amendment To Registration Rights Agreement And Certificate Of Designation [Member] | Series A Convertible Preferred Stock [Member] | Over-Allotment Option [Member]
Share price (in dollars per share) | $ / shares												$ 5.00
Net proceeds												$ 258
Underwriting discounts and commissions												$ 22
Number of additional shares issued | shares												56,000
Amendment To Registration Rights Agreement And Certificate Of Designation [Member] | Warrant [Member] | Series A Convertible Preferred Stock [Member]
Number of warrants purchased | shares																	1,095,682
Warrant exericse price (in dollars per share) | $ / shares																	$ 5.00
Initial fair value																			3,156
Amendment To Registration Rights Agreement And Certificate Of Designation [Member] | Warrant [Member] | Risk Free Interest Rate [Member] | Series A Convertible Preferred Stock [Member]
Risk-free rate																	2.63%
Amendment To Registration Rights Agreement And Certificate Of Designation [Member] | Warrant [Member] | Volatility [Member] | Series A Convertible Preferred Stock [Member]
Volatility rate																	67.08%
Consultant Agreement [Member] | Warrant [Member]
Number of warrants purchased | shares										100,000												25,000		25,000
Warrant exericse price (in dollars per share) | $ / shares																						$ 10.00		$ 8.75
Expected life																						24 months		18 months
Expensed using the straight-line method										$ 146									126
General and administrative expense																		31	95
Consultant Agreement [Member] | Warrant [Member] | Minimum [Member]
Warrants, measurement input | Number									0.6204
Consultant Agreement [Member] | Warrant [Member] | Maximum [Member]
Warrants, measurement input | Number									0.6584
Consultant Agreement [Member] | Warrant [Member] | Consultant [Member]
Number of warrants purchased | shares											10,000										10,000		10,000
Warrant exericse price (in dollars per share) | $ / shares											$ 5.25										$ 7.25		$ 6.25
Warrant term (in years)											5 years
Expensed using the straight-line method											$ 95								76
General and administrative expense																		9	67
Consultant Agreement [Member] | Warrant [Member] | Risk Free Interest Rate [Member] | Minimum [Member]
Risk-free rate										2.34%
Consultant Agreement [Member] | Warrant [Member] | Risk Free Interest Rate [Member] | Maximum [Member]
Risk-free rate										2.66%
Consultant Agreement [Member] | Warrant [Member] | Risk Free Interest Rate [Member] | Consultant [Member]
Risk-free rate											2.51%
Consultant Agreement [Member] | Warrant [Member] | Volatility [Member] | Consultant [Member]
Volatility rate											67.25%
Consultant Agreement [Member] | Warrant [Member] | Expected Term [Member] | Minimum [Member]
Expected life										1 year
Consultant Agreement [Member] | Warrant [Member] | Expected Term [Member] | Maximum [Member]
Expected life										2 years
Consultant Agreement [Member] | Warrant [Member] | Expected Term [Member] | Consultant [Member]
Expected life											5 years
Consultant Agreement [Member] | Warrant [Member] | Dividend Rate [Member]
Warrants, measurement input										0.00
Consultant Agreement [Member] | Warrant [Member] | Dividend Rate [Member] | Consultant [Member]
Warrants, measurement input											0.00
Consultant Agreement [Member] | Warrant [Member] | Volatility Three Months Ended [Member] | Consultant [Member]
Number of warrants purchased | shares											30,000
Consultant Agreement [Member] | Warrant [Member] | Volatility [Member] | Consultant [Member]
Volatility rate											67.28%
Consultant Agreement [Member] | Warrant [Member] | Volatility [Member] | Consultant [Member]
Volatility rate											69.23%
Consultant Agreement [Member] | Warrant [Member] | Risk Free Interest Rate [Member] | Consultant [Member]
Risk-free rate											2.81%
Consultant Agreement [Member] | Warrant [Member] | Risk Free Interest Rate [Member] | Consultant [Member]
Risk-free rate											0.307%
Consultant Agreement [Member] | August 2019 Consultant Warrants [Member] | Consultant [Member]
Number of warrant issued | shares			2
Number of warrants purchased | shares			20,000
Warrant exericse price (in dollars per share) | $ / shares			$ 2.66
Warrant term (in years)			3 years
Expensed using the straight-line method																		$ 30
Description of vesting terms			Vest in four equal tranches beginning November 1, 2019 through August 1, 2020.
Consultant Agreement [Member] | August 2019 Consultant Warrants [Member] | Risk Free Interest Rate [Member] | Consultant [Member]
Risk-free rate			1.17%
Consultant Agreement [Member] | August 2019 Consultant Warrants [Member] | Volatility [Member] | Consultant [Member]
Volatility rate			68.31%
Consultant Agreement [Member] | August 2019 Consultant Warrants [Member] | Expected Term [Member] | Consultant [Member]
Expected life			3 years
Consultant Agreement [Member] | August 2019 Consultant Warrants [Member] | Dividend Rate [Member] | Consultant [Member]
Warrants, measurement input			0.00
Consultant Agreement [Member] | Warrant Issued With 30 Days Of Agreement [Member]
Number of warrants purchased | shares										25,000
Warrant exericse price (in dollars per share) | $ / shares										$ 7.39
Expected life										18 months
Consultant Agreement [Member] | Warrant Issued With 30 Days Of Agreement [Member]
Number of warrants purchased | shares										25,000
Warrant exericse price (in dollars per share) | $ / shares										$ 7.39
Expected life										12 months
Consultant Agreement [Member] | Warrant Issued With 10 Consecutive Trading Days [Member]
Warrant exericse price (in dollars per share) | $ / shares										$ 0.01
Consultant Agreement [Member] | Warrant Issued With 10 Consecutive Trading Days [Member] | Minimum [Member]
Warrant exericse price (in dollars per share) | $ / shares										9.00
Consultant Agreement [Member] | Warrant Issued With 10 Consecutive Trading Days [Member] | Maximum [Member]
Warrant exericse price (in dollars per share) | $ / shares										$ 13.00
Firm Compensation Agreement [Member]
General and administrative expense																			$ 251
Cash payment																				$ 57
Firm Compensation Agreement [Member] | November 2019 Consultant Warrant [Member]
Number of warrants purchased | shares																				6,333
Warrant exericse price (in dollars per share) | $ / shares																				$ 3.00
Warrant term (in years)	3 years
Additional paid in capital in the amount	$ 4