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Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (USD $)
In Thousands
Common Class A [Member]
Common Class B [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Retained Earnings [Member]
Total
Balances at December 31, 2013 at Dec. 31, 2013 $ 145 $ 24 $ 88,620 $ (12,319) $ 833 $ 23,057 $ 100,360
Net income           4,263 4,263
Other comprehensive loss         (3,212)   (3,212)
Exercise of stock options     5 147     152
Stock-based employee compensation expense     863       863
Issuance of restricted shares     (521) 447     (74)
Income tax benefit arising from restricted share vesting and option exercises     145       145
Balances at September 30, 2014 at Sep. 30, 2014 $ 145 $ 24 $ 89,112 $ (11,725) $ (2,379) $ 27,320 $ 102,497