Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2021	40,851,945				(6)	41,264
Balance at Dec. 31, 2021	$ 4	$ 0	$ 91,025	$ (49,759)
Common shares issued upon exercise of stock options (in shares)	55,500	0
Common shares issued upon exercise of stock options	$ 0	$ 0	83	0	$ 0	$ 83
Share-based compensation expense	$ 0	$ 0	3,225	0	0	3,225
Common shares issued upon vesting of restricted stock units (in shares)	268,548	0
Common shares issued upon vesting of restricted stock units	$ 0	$ 0	0	0	0	0
Net unrealized gain on short-term investments	0	0	0	0	100	100
Net loss for the period	0	0	0	(17,617)	0	(17,617)
Net loss for the period	$ 0	$ 0	0	(17,617)	0	(17,617)
Balance at December 31, 2022 (in shares) at Dec. 31, 2022	41,175,993	0
Balance at December 31, 2022 at Dec. 31, 2022	$ 4	$ 0	94,333	(67,376)	94	$ 27,055
Common shares issued upon exercise of stock options (in shares)	123,056	0				123,056
Common shares issued upon exercise of stock options		$ 0	208	0	0	$ 208
Share-based compensation expense		$ 0	2,400	0	0	$ 2,400
Common shares issued upon vesting of restricted stock units (in shares)	1,056,360	0				0
Common shares issued upon vesting of restricted stock units		$ 0	0	0	0
Net unrealized gain on short-term investments						$ 0
Net loss for the period		0	0	(30,220)	0	(30,220)
Dividends on convertible preferred stock (in shares)	173,654
Dividends on convertible preferred stock		$ 0		(392)	0	(160)
Dividends on convertible preferred stock			232
Convertible preferred stock issued, net of offering costs (in shares)	0	10,000
Convertible preferred stock issued, net of offering costs		$ 2,036	0	0	0	2,036
Common shares issued upon convertible preferred stock exercising conversion rights (in shares)	76,440
Common shares issued upon convertible preferred stock exercising conversion rights (in shares)		(102)
Common shares issued upon convertible preferred stock exercising conversion rights		$ (20)
Common shares issued upon convertible preferred stock exercising conversion rights			20	0	0	0
Issuance of common stock for acquisition (in shares)	1,250,000	0
Issuance of common stock for acquisition		$ 0	1,938	0	0	1,938
Settlement – US Treasury bills		0	0	0	(94)	(94)
Net loss for the period		$ 0	0	(30,220)	0	(30,220)
Balance at December 31, 2022 (in shares) at Dec. 31, 2023	43,855,503	9,898
Balance at December 31, 2022 at Dec. 31, 2023	$ 4	$ 2,016	$ 99,131	$ (97,988)	$ 0	$ 3,163