Shareholders' Equity (Details Narrative)

v3.19.3

Shareholders' Equity (Details Narrative) $ / shares in Units, $ in Thousands												1 Months Ended	3 Months Ended			4 Months Ended	9 Months Ended		12 Months Ended
	Nov. 13, 2019 $ / shares	Oct. 01, 2019 shares	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	Jul. 03, 2018 USD ($) $ / shares shares	Jul. 02, 2018 USD ($) $ / shares shares	Jun. 06, 2018 USD ($) $ / shares shares	Jan. 31, 2019 USD ($) $ / shares shares	Sep. 30, 2019 USD ($) $ / shares shares	Sep. 30, 2018 USD ($)	Mar. 31, 2018 shares	Nov. 30, 2019 USD ($)	Sep. 30, 2019 USD ($) $ / shares shares	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) $ / 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
Number of options exercised | shares																	416
Exercise price (in dollars per share) | $ / shares																	$ 3.78
Proceeds from exercise options																	$ 2	$ 306
Net proceeds																	$ 20,000	$ 17,500
Option expected life																	5 years 9 months 18 days	5 years 8 months 12 days
Prepaid expense													$ 0				$ 0		$ 344
General and administrative expense													2,028	$ 2,145			7,189	$ 6,021
Accounts payable and accrued expenses													2,733				2,733		$ 2,140
Unamortized stock compensation for stock options													$ 4,163				$ 4,163
Unamortized stock compensation for stock options period																	1 year 2 months 1 day
Number of outstanding options to purchase | shares																	1,742,201
Weighted-average exercise price (in dollars per share) | $ / shares													$ 4.37				$ 4.37
Share based compensation expense related to stock options													$ 578	415			$ 1,811	1,155
Number of warrant exercisable | shares																	2,719,468
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													73				$ 208
Unamortized stock compensation for stock options													$ 882				$ 882
Unamortized stock compensation for stock options period																	1 year 8 months 5 days
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
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
Warrant [Member]
Warrant exericse price (in dollars per share) | $ / shares													$ 5.25				$ 5.25		$ 5.24
Value of shares issued upon services																	$ 5		$ 22
Common Stock [Member]
Number of options exercised | shares															394
Common Stock [Member] | Subsequent Event [Member]
Exercise price (in dollars per share) | $ / shares	$ 3.00
Option expected life	3 years
Common Stock [Member] | Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]
Granted | shares		165,000
Common Stock [Member] | CEO And Executives [Member] | Restricted Stock Units (RSUs) [Member]
Number of shares issued | shares			30,140
Common Stock [Member] | Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]
Granted | shares								76,112
Common Stock [Member] | 30 Days 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
Nonforfeitable Shares Common Stock And Warrants [Member]
Prepaid expense													$ 0				0		27
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
Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]
Number of shares issued | shares							10,313
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													0	55			31	55
Consultant Agreement [Member] | Warrant [Member] | Risk Free Interest Rate [Member] | Maximum [Member]
Warrants, measurement input										0.0266
Consultant Agreement [Member] | Warrant [Member] | Risk Free Interest Rate [Member] | Minimum [Member]
Warrants, measurement input										0.0234
Consultant Agreement [Member] | Warrant [Member] | Volatility [Member] | Maximum [Member]
Warrants, measurement input										0.6584
Consultant Agreement [Member] | Warrant [Member] | Volatility [Member] | Minimum [Member]
Warrants, measurement input										0.6204
Consultant Agreement [Member] | Warrant [Member] | Expected Term [Member] | Maximum [Member]
Expected life										2 years
Consultant Agreement [Member] | Warrant [Member] | Expected Term [Member] | Minimum [Member]
Expected life										1 year
Consultant Agreement [Member] | Warrant [Member] | Dividend Rate [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] | Maximum [Member]
Warrant exericse price (in dollars per share) | $ / shares										13.00
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] | Consultant [Member] | August 2019 Consultant Warrants [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
General and administrative expense													$ 8				$ 8
Description of vesting terms				Vest for four equal tranches beginning November 1, 2019 through August 1, 2020.
Consultant Agreement [Member] | Consultant [Member] | August 2019 Consultant Warrants [Member] | Subsequent Event [Member]
Expensed using the straight-line method																$ 18
Consultant Agreement [Member] | Consultant [Member] | August 2019 Consultant Warrants [Member] | Risk Free Interest Rate [Member]
Warrants, measurement input				0.0171
Consultant Agreement [Member] | Consultant [Member] | August 2019 Consultant Warrants [Member] | Volatility [Member]
Warrants, measurement input				0.6936
Consultant Agreement [Member] | Consultant [Member] | August 2019 Consultant Warrants [Member] | Expected Term [Member]
Expected life				3 years
Consultant Agreement [Member] | Consultant [Member] | August 2019 Consultant Warrants [Member] | Dividend Rate [Member]
Warrants, measurement input				0.00
Consultant Agreement [Member] | Consultant [Member] | Warrant [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
Number of shares issued upon services | shares													30,000				30,000
Expensed using the straight-line method											$ 95								76
General and administrative expense													$ 0	38			$ 10	45
Consultant Agreement [Member] | Consultant [Member] | Warrant [Member] | Risk Free Interest Rate [Member]
Warrants, measurement input											0.0251
Consultant Agreement [Member] | Consultant [Member] | Warrant [Member] | Volatility [Member]
Warrants, measurement input											0.6725
Consultant Agreement [Member] | Consultant [Member] | Warrant [Member] | Expected Term [Member]
Expected life											5 years
Consultant Agreement [Member] | Consultant [Member] | Warrant [Member] | Dividend Rate [Member]
Warrants, measurement input											0.00
Consultant Agreement [Member] | Consultant [Member] | Warrant [Member] | Volatility Three Months Ended [Member]
Number of warrants purchased | shares											30,000
Consultant Agreement [Member] | Consultant [Member] | Warrant [Member] | Volatility [Member]
Warrants, measurement input											0.6728
Consultant Agreement [Member] | Consultant [Member] | Warrant [Member] | Volatility [Member]
Warrants, measurement input											0.6923
Consultant Agreement [Member] | Consultant [Member] | Warrant [Member] | Risk Free Interest Rate [Member]
Warrants, measurement input											0.0281
Consultant Agreement [Member] | Consultant [Member] | Warrant [Member] | Risk Free Interest Rate [Member]
Warrants, measurement input											0.0307
Amendment Consulting Agreement [Member]
Accounts payable and accrued expenses													62				62		93
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				0		$ 317
General and administrative expense													41	$ 136			317	$ 136
Amendment Consulting Agreement [Member] | Warrant [Member] | Risk Free Interest Rate [Member]
Warrants, measurement input									0.0272
Amendment Consulting Agreement [Member] | Warrant [Member] | Volatility [Member]
Warrants, measurement input									0.6831
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
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													30				90
Amended and Restated Employment Agreement [Member] | Warrant [Member] | Risk Free Interest Rate [Member]
Warrants, measurement input								0.0252
Amended and Restated Employment Agreement [Member] | Warrant [Member] | Volatility [Member]
Warrants, measurement input								0.6743
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
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													$ 0				$ 55
Amended and Restated Employment Agreement [Member] | November 2019 Consultant Warrant [Member] | Risk Free Interest Rate [Member]
Warrants, measurement input								0.0252
Amended and Restated Employment Agreement [Member] | November 2019 Consultant Warrant [Member] | Volatility [Member]
Warrants, measurement input								0.6743
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
Firm Compensation Agreement [Member] | Subsequent Event [Member]
Cash payment																				$ 57
Firm Compensation Agreement [Member] | November 2019 Consultant Warrant [Member] | Subsequent Event [Member]
Number of warrants purchased | shares																				6,333
Warrant exericse price (in dollars per share) | $ / shares																				$ 3.00
Warrant term (in years)	3 years