Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Preferred Stock [Member] Convertible Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2022	41,175,993
Balance at Dec. 31, 2022	$ 4	$ 0	$ 94,333	$ (67,376)	$ 94	$ 27,055
Common shares issued upon exercise of stock options (in shares)	250	0
Common shares issued upon exercise of stock options	$ 0	$ 0	0	0	0	0
Share-based compensation expense	$ 0	$ 0	628	0	0	628
Common shares issued upon vesting of restricted stock units (in shares)	94,057	0
Common shares issued upon vesting of restricted stock units	$ 0	$ 0	0	0	0	0
Settlement – US Treasury bills	0	0	0	0	(94)	(94)
Net loss for the period	$ 0	$ 0	0	(4,028)	0	(4,028)
Balance (in shares) at Mar. 31, 2023	41,270,300	0
Balance at Mar. 31, 2023	$ 4	$ 0	94,961	(71,404)	0	23,561
Balance (in shares) at Dec. 31, 2023	43,855,503	9,898
Balance at Dec. 31, 2023	$ 4	$ 2,016	99,131	(97,988)	0	$ 3,163
Common shares issued upon exercise of stock options (in shares)	232,081	0				232,081
Common shares issued upon exercise of stock options	$ 0	$ 0	588	0	0	$ 588
Share-based compensation expense	$ 0	$ 0	675	0	0	675
Common shares issued upon vesting of restricted stock units (in shares)	82,806	0
Common shares issued upon vesting of restricted stock units	$ 0	$ 0	0	0	0	0
Net loss for the period	$ 0	$ 0	0	117	0	117
Dividends on convertible preferred stock (in shares)	128,233	0
Dividends on convertible preferred stock	$ 0	$ 0		(189)	0	(60)
Dividends on convertible preferred stock (in shares)	(128,233)	(0)
Dividends on convertible preferred stock			129
Common shares issued upon convertible preferred stock exercising conversion rights (in shares)	74,484
Common shares issued upon convertible preferred stock exercising conversion rights	$ 0		21	0	0	0
Common shares issued upon convertible preferred stock exercising conversion rights (in shares)		(100)
Common shares issued upon convertible preferred stock exercising conversion rights		$ (21)
Balance (in shares) at Mar. 31, 2024	44,373,107	9,798
Balance at Mar. 31, 2024	$ 4	$ 1,995	$ 100,544	$ (98,060)	$ 0	$ 4,483