Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Total |
Balance at Beginning at Dec. 31, 2017 | $ 21 | $ 54,006 | $ 97,336 | $ (60,619) | $ 90,744 |
Balance at Beginning (in shares) at Dec. 31, 2017 | 20,988,952 | | | (4,497,771) | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Net income | | | 1,947 | | 1,947 |
Repurchase of treasury shares | | | | $ (63) | (63) |
Repurchase of treasury shares (in shares) | | | | (8,798) | |
Amortization of unearned stock compensation | | 158 | | | 158 |
Balance at Ending at Mar. 31, 2018 | $ 21 | 54,164 | 99,283 | $ (60,682) | 92,786 |
Balance at Ending (in shares) at Mar. 31, 2018 | 20,988,952 | | | (4,506,569) | |
Balance at Beginning at Dec. 31, 2017 | $ 21 | 54,006 | 97,336 | $ (60,619) | 90,744 |
Balance at Beginning (in shares) at Dec. 31, 2017 | 20,988,952 | | | (4,497,771) | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Net income | | | | | 4,553 |
Balance at Ending at Jun. 30, 2018 | $ 21 | 54,147 | 101,889 | $ (60,025) | 96,032 |
Balance at Ending (in shares) at Jun. 30, 2018 | 20,988,952 | | | (4,462,513) | |
Balance at Beginning at Mar. 31, 2018 | $ 21 | 54,164 | 99,283 | $ (60,682) | 92,786 |
Balance at Beginning (in shares) at Mar. 31, 2018 | 20,988,952 | | | (4,506,569) | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Net income | | | 2,606 | | 2,606 |
Repurchase of treasury shares | | | | $ (75) | (75) |
Repurchase of treasury shares (in shares) | | | | (10,273) | |
Amortization of unearned stock compensation | | 304 | | | 304 |
Amortization of reclassed liability awards | | 411 | | | 411 |
Impact of released vested restricted stock units | | (353) | | $ 353 | |
Impact of released vested restricted stock units (in shares) | | | | 26,185 | |
Issuance of restricted stock award | | (379) | | $ 379 | |
Issuance of restricted stock award (in shares) | | | | 28,144 | |
Balance at Ending at Jun. 30, 2018 | $ 21 | 54,147 | 101,889 | $ (60,025) | 96,032 |
Balance at Ending (in shares) at Jun. 30, 2018 | 20,988,952 | | | (4,462,513) | |
Balance at Beginning at Dec. 31, 2018 | $ 21 | 53,514 | 105,975 | $ (58,832) | 100,678 |
Balance at Beginning (in shares) at Dec. 31, 2018 | 20,988,952 | | | (4,377,301) | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Net income | | | 2,284 | | 2,284 |
Repurchase of treasury shares | | | | $ (8) | (8) |
Repurchase of treasury shares (in shares) | | | | (1,506) | |
Amortization of unearned stock compensation | | 342 | | | 342 |
Settlement of director's deferred compensation | | | | $ 16 | 16 |
Settlement of director's deferred compensation (in shares) | | | | 2,251 | |
Cumulative effect of accounting change (Note 7) | | | 101 | | 101 |
Balance at Ending at Mar. 31, 2019 | $ 21 | 53,856 | 108,360 | $ (58,824) | 103,413 |
Balance at Ending (in shares) at Mar. 31, 2019 | 20,988,952 | | | (4,376,556) | |
Balance at Beginning at Dec. 31, 2018 | $ 21 | 53,514 | 105,975 | $ (58,832) | 100,678 |
Balance at Beginning (in shares) at Dec. 31, 2018 | 20,988,952 | | | (4,377,301) | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Net income | | | | | 3,927 |
Balance at Ending at Jun. 30, 2019 | $ 21 | 53,620 | 110,003 | $ (58,296) | 105,348 |
Balance at Ending (in shares) at Jun. 30, 2019 | 20,988,952 | | | (4,343,770) | |
Balance at Beginning at Mar. 31, 2019 | $ 21 | 53,856 | 108,360 | $ (58,824) | 103,413 |
Balance at Beginning (in shares) at Mar. 31, 2019 | 20,988,952 | | | (4,376,556) | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Net income | | | 1,643 | | 1,643 |
Repurchase of treasury shares | | | | $ (73) | (73) |
Repurchase of treasury shares (in shares) | | | | (11,951) | |
Amortization of unearned stock compensation | | 365 | | | 365 |
Impact of released vested restricted stock units | | (601) | | $ 601 | |
Impact of released vested restricted stock units (in shares) | | | | 44,737 | |
Balance at Ending at Jun. 30, 2019 | $ 21 | $ 53,620 | $ 110,003 | $ (58,296) | $ 105,348 |
Balance at Ending (in shares) at Jun. 30, 2019 | 20,988,952 | | | (4,343,770) | |