Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member] Restricted Stock Units (RSUs) [Member] Management [Member]	Common Stock [Member] ATM [Member]	Common Stock [Member]	Additional Paid-in Capital [Member] Restricted Stock Units (RSUs) [Member] Management [Member]	Additional Paid-in Capital [Member] ATM [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member] Restricted Stock Units (RSUs) [Member] Management [Member]	Retained Earnings [Member] ATM [Member]	Retained Earnings [Member]	Restricted Stock Units (RSUs) [Member] Management [Member]	ATM [Member]	Total
Balance (in shares) at Dec. 31, 2021			16,871,265
Balance at Dec. 31, 2021			$ 17			$ 139,055			$ (128,697)			$ 10,375
Share-based compensation						319						319
Net loss									(3,325)			(3,325)
Share-based compensation						319						319
Balance (in shares) at Mar. 31, 2022			16,871,265
Balance at Mar. 31, 2022			$ 17			139,374			(132,022)			7,369
Balance (in shares) at Dec. 31, 2021			16,871,265
Balance at Dec. 31, 2021			$ 17			139,055			(128,697)			10,375
Net loss												(8,879)
Balance (in shares) at Sep. 30, 2022			17,841,927
Balance at Sep. 30, 2022			$ 18			141,655			(137,576)			4,097
Balance (in shares) at Mar. 31, 2022			16,871,265
Balance at Mar. 31, 2022			$ 17			139,374			(132,022)			7,369
Share-based compensation			0			304			0			304
Net loss			$ 0			0			(2,497)			(2,497)
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)			311,929
Restricted stock units issued to settle management bonus obligations	$ 0			$ 271			$ 0			$ 271
Sale of common stock, net of issuance costs (in shares)		575,000
Sale of common stock, net of issuance costs		$ 1			$ 1,286			$ 0			$ 1,287
Share-based compensation			$ 0			304			0			304
Restricted stock units vested and issued (in shares)			311,929
Balance (in shares) at Jun. 30, 2022			17,758,194
Balance at Jun. 30, 2022			$ 18			141,235			(134,519)			6,734
Balance (in shares) at Mar. 31, 2022			16,871,265
Balance at Mar. 31, 2022			$ 17			139,374			(132,022)			7,369
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs											232
Issuance costs from sale of common stock on June 21, 2023											(232)
Balance (in shares) at Sep. 30, 2022			17,841,927
Balance at Sep. 30, 2022			$ 18			141,655			(137,576)			4,097
Balance (in shares) at Jun. 30, 2022			17,758,194
Balance at Jun. 30, 2022			$ 18			141,235			(134,519)			6,734
Share-based compensation			0			280			0			280
Net loss			$ 0			0			(3,057)			(3,057)
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)			17,029
Sale of common stock, net of issuance costs (in shares)		66,704
Sale of common stock, net of issuance costs		$ 0			140			0			140
Share-based compensation			$ 0			280			0			280
Restricted stock units vested and issued			$ 0			0			0			0
Restricted stock units vested and issued (in shares)			17,029
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs											1
Issuance costs from sale of common stock on June 21, 2023											(1)
Balance (in shares) at Sep. 30, 2022			17,841,927
Balance at Sep. 30, 2022			$ 18			141,655			(137,576)			4,097
Balance (in shares) at Dec. 31, 2022			20,076,773
Balance at Dec. 31, 2022			$ 20			145,476			(140,604)			4,892
Share-based compensation			0			278			0			278
Net loss			$ 0			0			(3,501)			(3,501)
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)			18,792
Sale of common stock, net of issuance costs (in shares)		106,241
Sale of common stock, net of issuance costs		$ 0			231			0			231
Share-based compensation			$ 0			278			0			278
Exercise of common stock options (in shares)			199
Exercise of common stock options						0						0
Restricted stock units vested and issued (in shares)			18,792
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs											13
Issuance costs from sale of common stock on June 21, 2023											(13)
Balance (in shares) at Mar. 31, 2023			20,202,005
Balance at Mar. 31, 2023			$ 20			145,985			(144,105)			1,900
Balance (in shares) at Dec. 31, 2022			20,076,773
Balance at Dec. 31, 2022			$ 20			145,476			(140,604)			4,892
Net loss												$ (9,499)
Exercise of common stock options (in shares)												199
Balance (in shares) at Sep. 30, 2023			21,619,432
Balance at Sep. 30, 2023			$ 22			149,421			(150,103)			$ (660)
Balance (in shares) at Mar. 31, 2023			20,202,005
Balance at Mar. 31, 2023			$ 20			145,985			(144,105)			1,900
Share-based compensation						317						317
Net loss									(3,424)			(3,424)
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)			222,405
Restricted stock units issued to settle management bonus obligations	$ 0			$ 342			$ 0			$ 342
Sale of common stock, net of issuance costs (in shares)		28,599	1,133,141
Sale of common stock, net of issuance costs		$ 0	$ 1		29	2,469		0	0		29	2,470
Share-based compensation						317						317
Restricted stock units vested and issued			$ 1			0			0			1
Restricted stock units vested and issued (in shares)			222,405
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs											29	177
Issuance costs from sale of common stock on June 21, 2023											(29)	(177)
Balance (in shares) at Jun. 30, 2023			21,586,150
Balance at Jun. 30, 2023			$ 22			149,142			(147,529)			1,635
Share-based compensation			0			251			0			251
Net loss			0			0			(2,574)			(2,574)
Sale of common stock, net of issuance costs (in shares)		33,282
Sale of common stock, net of issuance costs		$ 0			$ 45			$ 0			45
Share-based compensation			0			251			0			251
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs			(0)			17			(0)		48	17
Issuance costs from sale of common stock on June 21, 2023			$ 0			(17)			0		$ (48)	(17)
Balance (in shares) at Sep. 30, 2023			21,619,432
Balance at Sep. 30, 2023			$ 22			$ 149,421			$ (150,103)			$ (660)