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, Common [Member] |
Total |
|---|---|---|---|---|---|---|---|
| BALANCE | $ 0 | $ 13 | $ 86,102 | $ (9,056) | $ (1,004) | $ (25,904) | $ 50,151 |
| BALANCE (in shares) at Dec. 31, 2022 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Dec. 31, 2022 | $ 0 | $ 13 | 86,102 | (9,056) | (1,004) | $ (25,904) | 50,151 |
| Net income | 0 | 0 | 0 | 257 | 0 | 0 | 257 |
| Share-based compensation | 0 | 0 | 46 | 0 | 0 | 0 | 46 |
| Dividends declared | 0 | 0 | 0 | (2,304) | 0 | 0 | (2,304) |
| Foreign currency translation adjustments | 0 | 0 | 0 | 0 | (97) | 0 | (97) |
| Unrealized gains on available-for-sale securities | 0 | 0 | 0 | 0 | (3) | 0 | (3) |
| Foreign currency translation adjustment | 0 | 0 | 0 | 0 | (97) | 0 | (97) |
| Balance at Mar. 31, 2023 | $ 0 | $ 13 | 84,519 | (11,103) | (1,104) | $ (24,275) | 48,050 |
| BALANCE (in shares) at Mar. 31, 2023 | 0 | 12,979,414 | (1,458,975) | ||||
| Reissuance of treasury shares (in shares) | 0 | 0 | 97,900 | ||||
| Reissuance of treasury shares | $ 0 | $ 0 | (1,629) | 0 | 0 | $ 1,629 | 0 |
| BALANCE (in shares) at Dec. 31, 2022 | 0 | 12,979,414 | (1,556,875) | ||||
| Balance at Dec. 31, 2022 | $ 0 | $ 13 | 86,102 | (9,056) | (1,004) | $ (25,904) | 50,151 |
| Net income | 210 | ||||||
| Foreign currency translation adjustments | (272) | ||||||
| Unrealized gains on available-for-sale securities | 9 | ||||||
| Foreign currency translation adjustment | (272) | ||||||
| Balance at Sep. 30, 2023 | $ 0 | $ 13 | 84,657 | (15,757) | (1,267) | $ (24,336) | 43,310 |
| BALANCE (in shares) at Sep. 30, 2023 | 0 | 12,979,414 | (1,462,641) | ||||
| BALANCE | $ 0 | $ 13 | 84,519 | (11,103) | (1,104) | $ (24,275) | 48,050 |
| BALANCE (in shares) at Mar. 31, 2023 | 0 | 12,979,414 | (1,458,975) | ||||
| Balance at Mar. 31, 2023 | $ 0 | $ 13 | 84,519 | (11,103) | (1,104) | $ (24,275) | 48,050 |
| Net income | 0 | 0 | 0 | (219) | 0 | 0 | (219) |
| Share-based compensation | 0 | 0 | 39 | 0 | 0 | 0 | 39 |
| Dividends declared | 0 | 0 | 0 | (2,304) | 0 | (2,304) | |
| Foreign currency translation adjustments | 0 | 0 | 0 | 0 | (152) | 0 | (152) |
| Unrealized gains on available-for-sale securities | 0 | 0 | 0 | 0 | 11 | 0 | 11 |
| Foreign currency translation adjustment | 0 | 0 | 0 | 0 | (152) | 0 | (152) |
| Balance at Jun. 30, 2023 | $ 0 | $ 13 | 84,558 | (13,626) | (1,245) | $ (24,275) | 45,425 |
| BALANCE (in shares) at Jun. 30, 2023 | 0 | 12,979,414 | (1,458,975) | ||||
| BALANCE | $ 0 | $ 13 | 84,558 | (13,626) | (1,245) | $ (24,275) | 45,425 |
| Net income | 0 | 0 | 0 | 172 | 0 | 0 | 172 |
| Share-based compensation | 0 | 0 | 38 | 0 | 0 | 0 | 38 |
| Dividends declared | 0 | 0 | 0 | (2,303) | 0 | (2,303) | |
| Foreign currency translation adjustments | 0 | 0 | 0 | 0 | (23) | 0 | (23) |
| Unrealized gains on available-for-sale securities | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| Foreign currency translation adjustment | 0 | 0 | 0 | 0 | (23) | 0 | (23) |
| Balance at Sep. 30, 2023 | $ 0 | $ 13 | 84,657 | (15,757) | (1,267) | $ (24,336) | 43,310 |
| Restricted stock forfeiture (in shares) | 0 | 0 | (3,666) | ||||
| Restricted stock forfeiture | $ 0 | $ 0 | 61 | 0 | 0 | $ (61) | 0 |
| BALANCE (in shares) at Sep. 30, 2023 | 0 | 12,979,414 | (1,462,641) | ||||
| BALANCE | $ 0 | $ 13 | 84,657 | (15,757) | (1,267) | $ (24,336) | 43,310 |
| BALANCE | $ 0 | $ 13 | 84,695 | (17,703) | (1,069) | $ (24,336) | 41,600 |
| BALANCE (in shares) at Dec. 31, 2023 | 0 | 12,979,414 | (1,462,641) | ||||
| Balance at Dec. 31, 2023 | $ 0 | $ 13 | 84,695 | (17,703) | (1,069) | $ (24,336) | 41,600 |
| Net income | 0 | 0 | 188 | 0 | 188 | ||
| Share-based compensation | 0 | 0 | 37 | 0 | 0 | 0 | 37 |
| Dividends declared | 0 | 0 | 0 | (2,303) | 0 | 0 | (2,303) |
| Foreign currency translation adjustments | 0 | 0 | 0 | 0 | (114) | 0 | (114) |
| Unrealized gains on available-for-sale securities | 0 | 0 | 0 | 0 | (38) | 0 | (38) |
| Foreign currency translation adjustment | 0 | 0 | 0 | 0 | (114) | 0 | (114) |
| Balance at Mar. 31, 2024 | $ 0 | $ 13 | 84,732 | (19,818) | (1,221) | $ (24,336) | 39,370 |
| BALANCE (in shares) at Mar. 31, 2024 | 0 | 12,979,414 | (1,462,641) | ||||
| BALANCE (in shares) at Dec. 31, 2023 | 0 | 12,979,414 | (1,462,641) | ||||
| Balance at Dec. 31, 2023 | $ 0 | $ 13 | 84,695 | (17,703) | (1,069) | $ (24,336) | 41,600 |
| Net income | 396 | ||||||
| Foreign currency translation adjustments | 102 | ||||||
| Unrealized gains on available-for-sale securities | 7 | ||||||
| Foreign currency translation adjustment | 102 | ||||||
| Balance at Sep. 30, 2024 | $ 0 | $ 13 | 84,865 | (24,216) | (960) | $ (24,397) | 35,305 |
| BALANCE (in shares) at Sep. 30, 2024 | 0 | 12,979,414 | (1,466,339) | ||||
| BALANCE | $ 0 | $ 13 | 84,732 | (19,818) | (1,221) | $ (24,336) | 39,370 |
| BALANCE (in shares) at Mar. 31, 2024 | 0 | 12,979,414 | (1,462,641) | ||||
| Balance at Mar. 31, 2024 | $ 0 | $ 13 | 84,732 | (19,818) | (1,221) | $ (24,336) | 39,370 |
| Net income | 0 | 0 | 0 | 173 | 0 | 0 | 173 |
| Share-based compensation | 0 | 0 | 38 | 0 | 0 | 0 | 38 |
| Dividends declared | 0 | 0 | 0 | (2,303) | 0 | 0 | (2,303) |
| Foreign currency translation adjustments | 0 | 0 | 0 | 0 | (36) | 0 | (36) |
| Unrealized gains on available-for-sale securities | 0 | 0 | 0 | 0 | 8 | 0 | 8 |
| Foreign currency translation adjustment | 0 | 0 | 0 | 0 | (36) | 0 | (36) |
| Balance at Jun. 30, 2024 | $ 0 | $ 13 | 84,770 | (21,948) | (1,249) | $ (24,336) | 37,250 |
| BALANCE (in shares) at Jun. 30, 2024 | 0 | 12,979,414 | (1,462,641) | ||||
| BALANCE | $ 0 | $ 13 | 84,770 | (21,948) | (1,249) | $ (24,336) | 37,250 |
| Net income | 0 | 0 | 0 | 35 | 0 | 0 | 35 |
| Share-based compensation | 0 | 0 | 34 | 0 | 0 | 0 | 34 |
| Dividends declared | 0 | 0 | 0 | (2,303) | 0 | 0 | (2,303) |
| Foreign currency translation adjustments | 0 | 0 | 0 | 0 | 252 | 0 | 252 |
| Unrealized gains on available-for-sale securities | 0 | 0 | 0 | 0 | 37 | 0 | 37 |
| Foreign currency translation adjustment | 0 | 0 | 0 | 0 | 252 | 0 | 252 |
| Balance at Sep. 30, 2024 | $ 0 | $ 13 | 84,865 | (24,216) | (960) | $ (24,397) | 35,305 |
| Restricted stock forfeiture (in shares) | 0 | 0 | (3,698) | ||||
| Restricted stock forfeiture | $ 0 | $ 0 | 61 | 0 | 0 | $ (61) | 0 |
| BALANCE (in shares) at Sep. 30, 2024 | 0 | 12,979,414 | (1,466,339) | ||||
| BALANCE | $ 0 | $ 13 | $ 84,865 | $ (24,216) | $ (960) | $ (24,397) | $ 35,305 |