Consolidated Statements Of Changes In Shareholders' Equity - USD ($) $ in Thousands | Total Par Value Of Common Shares [Member] | Additional Paid-In Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive (Loss) Income [Member] | Total |
Balance, period start at Jun. 30, 2018 | | $ 26,321 | $ 209,553 | $ (2,044) | $ 241,698 |
Balance, shares at Jun. 30, 2018 | 7,868,000 | | | | |
Stock options exercised | | 41 | | | 44 |
Stock options exercised, shares | 3,000 | | | | |
Unrealized gain (loss) on available for sale investments, net of tax | | | | 17 | 17 |
Long-term incentive compensation | | (115) | | | (108) |
Long-term incentive compensation, shares | 7,000 | | | | |
Stock-based compensation | | 440 | | | 446 |
Stock-based compensation, shares | 6,000 | | | | |
Cash dividends declared | | | (1,734) | | (1,734) |
Net (loss) income | | | 1,296 | | 1,296 |
Balance, period end at Sep. 30, 2018 | | 26,687 | 209,115 | (2,027) | 241,659 |
Balance, shares at Sep. 30, 2018 | 7,884,000 | | | | |
Balance, period start at Jun. 30, 2018 | | 26,321 | 209,553 | (2,044) | 241,698 |
Balance, shares at Jun. 30, 2018 | 7,868,000 | | | | |
Net (loss) income | | | | | 2,862 |
Balance, period end at Dec. 31, 2018 | | 27,012 | 208,945 | (2,059) | 241,787 |
Balance, shares at Dec. 31, 2018 | 7,889,000 | | | | |
Balance, period start at Sep. 30, 2018 | | 26,687 | 209,115 | (2,027) | 241,659 |
Balance, shares at Sep. 30, 2018 | 7,884,000 | | | | |
Stock options exercised | | 7 | | | 8 |
Stock options exercised, shares | 1,000 | | | | |
Unrealized gain (loss) on available for sale investments, net of tax | | | | (32) | (32) |
Stock-based compensation | | 318 | | | 322 |
Stock-based compensation, shares | 4,000 | | | | |
Cash dividends declared | | | (1,736) | | (1,736) |
Net (loss) income | | | 1,566 | | 1,566 |
Balance, period end at Dec. 31, 2018 | | 27,012 | 208,945 | (2,059) | 241,787 |
Balance, shares at Dec. 31, 2018 | 7,889,000 | | | | |
Balance, period start at Jun. 30, 2019 | | 27,512 | 170,004 | 8 | $ 205,427 |
Balance, shares at Jun. 30, 2019 | 7,903,000 | | | | 7,902,708 |
Unrealized gain (loss) on available for sale investments, net of tax | | | | (8) | $ (8) |
Long-term incentive compensation | | 109 | | | 109 |
Stock-based compensation | | 1,201 | | | 1,240 |
Stock-based compensation, shares | 39,000 | | | | |
Cash dividends declared | | | (1,754) | | (1,754) |
Net (loss) income | | | 9,551 | | 9,551 |
Balance, period end at Sep. 30, 2019 | | 28,822 | 177,759 | | 214,523 |
Balance, shares at Sep. 30, 2019 | 7,942,000 | | | | |
Balance, period start at Jun. 30, 2019 | | 27,512 | 170,004 | $ 8 | $ 205,427 |
Balance, shares at Jun. 30, 2019 | 7,903,000 | | | | 7,902,708 |
Stock options exercised, shares | | | | | 2,000 |
Net (loss) income | | | | | $ 4,167 |
Balance, period end at Dec. 31, 2019 | | 30,732 | 170,559 | | $ 209,241 |
Balance, shares at Dec. 31, 2019 | 7,950,000 | | | | 7,949,968 |
Adoption of ASU 2016-02 | Accounting Standards Update 2016-02 [Member] | | | (42) | | $ (42) |
Balance, period start at Sep. 30, 2019 | | 28,822 | 177,759 | | 214,523 |
Balance, shares at Sep. 30, 2019 | 7,942,000 | | | | |
Stock options exercised | | 19 | | | 21 |
Stock options exercised, shares | 2,000 | | | | |
Long-term incentive compensation | | 104 | | | 104 |
Stock-based compensation | | 1,787 | | | 1,793 |
Stock-based compensation, shares | 6,000 | | | | |
Cash dividends declared | | | (1,816) | | (1,816) |
Net (loss) income | | | (5,384) | | (5,384) |
Balance, period end at Dec. 31, 2019 | | $ 30,732 | $ 170,559 | | $ 209,241 |
Balance, shares at Dec. 31, 2019 | 7,950,000 | | | | 7,949,968 |