Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands |
Preferred Stock [Member] |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
AOCI Attributable to Parent [Member] |
Treasury Stock [Member] |
Total |
|---|---|---|---|---|---|---|---|
| BALANCE (in shares) at Dec. 31, 2020 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Dec. 31, 2020 | $ 0 | $ 13 | $ 86,102 | $ 7,822 | $ (336) | $ (25,904) | $ 67,697 |
| Net income | 0 | 0 | 0 | 153 | 0 | 0 | 153 |
| Dividends declared | 0 | 0 | 0 | (2,285) | 0 | 0 | (2,285) |
| Foreign currency translation adjustments | 0 | 0 | 0 | 0 | (182) | 0 | (182) |
| Unrealized gains on available-for-sale securities | 0 | 0 | 0 | 0 | (7) | 0 | (7) |
| Foreign currency translation adjustment | $ 0 | $ 0 | 0 | 0 | (182) | $ 0 | (182) |
| BALANCE (in shares) at Mar. 31, 2021 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Mar. 31, 2021 | $ 0 | $ 13 | 86,102 | 5,690 | (525) | $ (25,904) | 65,376 |
| BALANCE (in shares) at Dec. 31, 2020 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Dec. 31, 2020 | $ 0 | $ 13 | 86,102 | 7,822 | (336) | $ (25,904) | 67,697 |
| Net income | 382 | ||||||
| Foreign currency translation adjustments | (86) | ||||||
| Unrealized gains on available-for-sale securities | 9 | ||||||
| Foreign currency translation adjustment | (86) | ||||||
| BALANCE (in shares) at Jun. 30, 2021 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Jun. 30, 2021 | $ 0 | $ 13 | 86,102 | 3,634 | (413) | $ (25,904) | 63,432 |
| BALANCE (in shares) at Mar. 31, 2021 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Mar. 31, 2021 | $ 0 | $ 13 | 86,102 | 5,690 | (525) | $ (25,904) | 65,376 |
| Net income | 0 | 0 | 0 | 229 | 0 | 0 | 229 |
| Dividends declared | 0 | 0 | 0 | (2,285) | 0 | (2,285) | |
| Foreign currency translation adjustments | 0 | 0 | 0 | 0 | 96 | 0 | 96 |
| Unrealized gains on available-for-sale securities | 0 | 0 | 0 | 0 | 16 | 0 | 16 |
| Foreign currency translation adjustment | $ 0 | $ 0 | 0 | 0 | 96 | $ 0 | 96 |
| BALANCE (in shares) at Jun. 30, 2021 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Jun. 30, 2021 | $ 0 | $ 13 | 86,102 | 3,634 | (413) | $ (25,904) | 63,432 |
| BALANCE (in shares) at Dec. 31, 2021 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Dec. 31, 2021 | $ 0 | $ 13 | 86,102 | (231) | (492) | $ (25,904) | 59,488 |
| Net income | 0 | 0 | 0 | (105) | 0 | 0 | (105) |
| Dividends declared | 0 | 0 | 0 | (2,285) | 0 | 0 | (2,285) |
| Foreign currency translation adjustments | 0 | 0 | 0 | 0 | (205) | 0 | (205) |
| Unrealized gains on available-for-sale securities | 0 | 0 | 0 | 0 | (23) | 0 | (23) |
| Foreign currency translation adjustment | $ 0 | $ 0 | 0 | 0 | (205) | $ 0 | (205) |
| BALANCE (in shares) at Mar. 31, 2022 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Mar. 31, 2022 | $ 0 | $ 13 | 86,102 | (2,621) | (720) | $ (25,904) | 56,870 |
| BALANCE (in shares) at Dec. 31, 2021 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Dec. 31, 2021 | $ 0 | $ 13 | 86,102 | (231) | (492) | $ (25,904) | 59,488 |
| Net income | 78 | ||||||
| Foreign currency translation adjustments | (461) | ||||||
| Unrealized gains on available-for-sale securities | 13 | ||||||
| Foreign currency translation adjustment | (461) | ||||||
| BALANCE (in shares) at Jun. 30, 2022 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Jun. 30, 2022 | $ 0 | $ 13 | 86,102 | (4,723) | (940) | $ (25,904) | 54,548 |
| BALANCE (in shares) at Mar. 31, 2022 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Mar. 31, 2022 | $ 0 | $ 13 | 86,102 | (2,621) | (720) | $ (25,904) | 56,870 |
| Net income | 0 | 0 | 0 | 183 | 0 | 0 | 183 |
| Dividends declared | 0 | 0 | 0 | (2,285) | 0 | 0 | (2,285) |
| Foreign currency translation adjustments | 0 | 0 | 0 | 0 | (256) | 0 | (256) |
| Unrealized gains on available-for-sale securities | 0 | 0 | 0 | 0 | 36 | 0 | 36 |
| Foreign currency translation adjustment | $ 0 | $ 0 | 0 | 0 | (256) | $ 0 | (256) |
| BALANCE (in shares) at Jun. 30, 2022 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Jun. 30, 2022 | $ 0 | $ 13 | $ 86,102 | $ (4,723) | $ (940) | $ (25,904) | $ 54,548 |