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, 2021	$ 2	$ 7	$ 62,552	$ 96	$ (49,952)	$ 12,705
Balance at beginning of year (in shares) at Dec. 31, 2021	200	6,602
Net income (loss)	$ 0	$ 0	0	0	142	142
Preferred stock dividends	0	0	0	0	(100)	(100)
Foreign currency translation adjustment	0	0	0	7	0	7
Balance at end of year at Mar. 31, 2022	$ 2	$ 7	62,552	103	(49,910)	12,754
Balance at end of year (in shares) at Mar. 31, 2022	200	6,602
Balance at beginning of year at Dec. 31, 2022	$ 2	$ 7	62,617	(98)	(48,680)	13,848
Balance at beginning of year (in shares) at Dec. 31, 2022	200	6,610
Net income (loss)	$ 0	$ 0	0	0	(191)	(191)
Preferred stock dividends	0	0	0	0	(100)	(100)
Foreign currency translation adjustment	0	0	0	182	0	182
Balance at end of year at Mar. 31, 2023	$ 2	$ 7	$ 62,617	$ 84	$ (48,971)	$ 13,739
Balance at end of year (in shares) at Mar. 31, 2023	200	6,602