Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Total |
Balances (in shares) at Dec. 31, 2016 | 6,472,000 | (1,090,000) | | | | |
Balances at Dec. 31, 2016 | $ 65 | $ (4,893) | $ 87,336 | $ (57,048) | $ (50) | $ 25,410 |
Share based payment expense | | | 124 | | | 124 |
Net income (loss) to common shareholders | | | | 9 | | 9 |
Purchases of treasury stock | | | | | | |
Foreign currency translation | | | | | 45 | 45 |
Balances (in shares) at Mar. 31, 2017 | 6,472,000 | (1,090,000) | | | | |
Balances at Mar. 31, 2017 | $ 65 | $ (4,893) | 87,460 | (57,039) | (5) | 25,588 |
Balances (in shares) at Dec. 31, 2016 | 6,472,000 | (1,090,000) | | | | |
Balances at Dec. 31, 2016 | $ 65 | $ (4,893) | 87,336 | (57,048) | (50) | 25,410 |
Net income (loss) to common shareholders | | | | | | (17) |
Foreign currency translation | | | | | | 85 |
Balances (in shares) at Sep. 30, 2017 | 6,472,000 | (1,090,000) | | | | |
Balances at Sep. 30, 2017 | $ 65 | $ (4,893) | 87,748 | (57,065) | 35 | 25,890 |
Balances (in shares) at Mar. 31, 2017 | 6,472,000 | (1,090,000) | | | | |
Balances at Mar. 31, 2017 | $ 65 | $ (4,893) | 87,460 | (57,039) | (5) | 25,588 |
Share based payment expense | | | 143 | | | 143 |
Net income (loss) to common shareholders | | | | (52) | | (52) |
Purchases of treasury stock | | | | | | |
Foreign currency translation | | | | | 20 | 20 |
Balances (in shares) at Jun. 30, 2017 | 6,472,000 | (1,090,000) | | | | |
Balances at Jun. 30, 2017 | $ 65 | $ (4,893) | 87,603 | (57,091) | 15 | 25,699 |
Share based payment expense | | | 145 | | | 145 |
Net income (loss) to common shareholders | | | | 26 | | 26 |
Purchases of treasury stock | | | | | | |
Foreign currency translation | | | | | 20 | 20 |
Balances (in shares) at Sep. 30, 2017 | 6,472,000 | (1,090,000) | | | | |
Balances at Sep. 30, 2017 | $ 65 | $ (4,893) | 87,748 | (57,065) | 35 | 25,890 |
Balances (in shares) at Dec. 31, 2017 | 6,472,000 | (1,090,000) | | | | |
Balances at Dec. 31, 2017 | $ 65 | $ (4,893) | 87,892 | (56,885) | 4 | 26,183 |
Share based payment expense | | | 109 | | | 109 |
Net income (loss) to common shareholders | | | | 225 | | 225 |
Purchases of treasury stock | | $ (36) | | | | (36) |
Foreign currency translation | | | | | 43 | 43 |
Balances (in shares) at Mar. 31, 2018 | 6,472,000 | (1,096,000) | | | | |
Balances at Mar. 31, 2018 | $ 65 | $ (4,929) | 88,001 | (56,660) | 47 | 26,524 |
Purchases of treasury stock (in shares) | | (6,000) | | | | |
Balances (in shares) at Dec. 31, 2017 | 6,472,000 | (1,090,000) | | | | |
Balances at Dec. 31, 2017 | $ 65 | $ (4,893) | 87,892 | (56,885) | 4 | 26,183 |
Net income (loss) to common shareholders | | | | | | 797 |
Foreign currency translation | | | | | | (56) |
Balances (in shares) at Sep. 30, 2018 | 6,472,000 | (1,203,000) | | | | |
Balances at Sep. 30, 2018 | $ 65 | $ (5,681) | 88,172 | (56,088) | (52) | $ 26,416 |
Purchases of treasury stock (in shares) | | | | | | (113,121) |
Balances (in shares) at Mar. 31, 2018 | 6,472,000 | (1,096,000) | | | | |
Balances at Mar. 31, 2018 | $ 65 | $ (4,929) | 88,001 | (56,660) | 47 | $ 26,524 |
Share based payment expense | | | 87 | | | 87 |
Net income (loss) to common shareholders | | | | 364 | | 364 |
Purchases of treasury stock | | $ (46) | | | | (46) |
Foreign currency translation | | | | | (75) | (75) |
Balances (in shares) at Jun. 30, 2018 | 6,472,000 | (1,103,000) | | | | |
Balances at Jun. 30, 2018 | $ 65 | $ (4,975) | 88,088 | (56,296) | (28) | 26,854 |
Purchases of treasury stock (in shares) | | (7,000) | | | | |
Share based payment expense | | | 84 | | | 84 |
Net income (loss) to common shareholders | | | | 208 | | 208 |
Purchases of treasury stock | | $ (706) | | | | (706) |
Foreign currency translation | | | | | (24) | (24) |
Balances (in shares) at Sep. 30, 2018 | 6,472,000 | (1,203,000) | | | | |
Balances at Sep. 30, 2018 | $ 65 | $ (5,681) | $ 88,172 | $ (56,088) | $ (52) | $ 26,416 |
Purchases of treasury stock (in shares) | | (100,000) | | | | |