CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Preferred Stock	Common Stock	Additional Paid-in-Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Total
Balance at beginning of year at Dec. 31, 2020	$ 0	$ 7	$ 57,966	$ 37	$ (49,170)	$ 8,840
Balance at beginning of year (in shares) at Dec. 31, 2020	0	6,601
Net income	$ 0	$ 0	0	0	20	20
Foreign currency translation adjustment	0	0	0	23	0	23
Stock-based compensation expense	$ 0	$ 0	5	0	0	5
Stock-based compensation expense (in shares)	0	0
Balance at end of year at Jun. 30, 2021	$ 0	$ 7	57,971	60	(49,150)	8,888
Balance at end of year (in shares) at Jun. 30, 2021	0	6,601
Balance at beginning of year at Mar. 31, 2021	$ 0	$ 7	57,971	25	(49,213)	8,790
Balance at beginning of year (in shares) at Mar. 31, 2021	0	6,601
Net income	$ 0	$ 0	0	0	63	63
Foreign currency translation adjustment	0	0	0	35	0	35
Stock-based compensation expense	$ 0	$ 0	0	0	0	0
Stock-based compensation expense (in shares)	0	0
Balance at end of year at Jun. 30, 2021	$ 0	$ 7	57,971	60	(49,150)	8,888
Balance at end of year (in shares) at Jun. 30, 2021	0	6,601
Balance at beginning of year at Dec. 31, 2021	$ 2	$ 7	62,552	96	(49,952)	$ 12,705
Balance at beginning of year (in shares) at Dec. 31, 2021	200	6,602				6,602
Net income	$ 0	$ 0	0	0	254	$ 254
Preferred stock dividends	0	0	0	0	(200)	(200)
Foreign currency translation adjustment	0	0	0	(149)	0	(149)
Balance at end of year at Jun. 30, 2022	$ 2	$ 7	62,552	(53)	(49,898)	$ 12,610
Balance at end of year (in shares) at Jun. 30, 2022	200	6,602				6,602
Balance at beginning of year at Mar. 31, 2022	$ 2	$ 7	62,552	103	(49,910)	$ 12,754
Balance at beginning of year (in shares) at Mar. 31, 2022	200	6,602
Net income	$ 0	$ 0	0	0	112	112
Preferred stock dividends	0	0	0	0	(100)	(100)
Foreign currency translation adjustment	0	0	0	(156)	0	(156)
Balance at end of year at Jun. 30, 2022	$ 2	$ 7	$ 62,552	$ (53)	$ (49,898)	$ 12,610
Balance at end of year (in shares) at Jun. 30, 2022	200	6,602				6,602