CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Preferred Stock	Common Stock	Additional Paid-in-Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Total
Balance at beginning of year at Dec. 31, 2019		$ 7,000	$ 57,940,000	$ (93,000)	$ (49,283,000)	$ 8,571,000
Balance at beginning of year (in shares) at Dec. 31, 2019		6,563
Net income (loss)					113,000	113,000
Foreign currency translation adjustment				130,000		130,000
Stock-based compensation expense			26,000			26,000
Stock-based compensation expense (in shares)		38
Balance at end of year at Dec. 31, 2020		$ 7,000	57,966,000	37,000	(49,170,000)	$ 8,840,000
Balance at end of year (in shares) at Dec. 31, 2020		6,601				6,601,000
Net income (loss)					(734,000)	$ (734,000)
Issuance of preferred stock	$ 2,000		4,566,000			4,568,000
Issuance of preferred stock (in shares)	200
Preferred stock dividends					(48,000)	(48,000)
Foreign currency translation adjustment				59,000		59,000
Stock-based compensation expense		$ 1	20,000			20,000
Balance at end of year at Dec. 31, 2021	$ 2,000	$ 7,000	$ 62,552,000	$ 96,000	$ (49,952,000)	$ 12,705,000
Balance at end of year (in shares) at Dec. 31, 2021	200	6,602				6,602,000