Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands		Common Stock		Additional Paid-in Capital	Accumulated Deficit	Total
Balance at Dec. 31, 2019		$ 7	[1]	$ 38,149	$ (29,240)	$ 8,916
Balance (in Shares) at Dec. 31, 2019	[1]	6,788
Net income					2,861	2,861
Share-based compensation expense			[1]	87		87
Share-based compensation expense (in Shares)	[1]
Balance at Dec. 31, 2020		$ 7	[1]	38,236	(26,379)	11,864
Balance (in Shares) at Dec. 31, 2020	[1]	6,788
Net income					1,414	1,414
Exercise of warrants			[1]
Exercise of warrants (in Shares)	[1]	152
Exercise of stock options (Note 9)			[1]	(23)		(23)
Exercise of stock options (Note 9) (in Shares)	[1]	67
Share-based compensation expense			[1]	1,003		1,003
Share-based compensation expense (in Shares)	[1]
Balance at Dec. 31, 2021		$ 7	[1]	$ 39,216	$ (24,965)	$ 14,258
Balance (in Shares) at Dec. 31, 2021	[1]	7,007

[1] All share information and balances have been retroactively adjusted to reflect a reverse stock split. See Note 11, Stockholders’ Equity, for additional information.