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Consolidated Statement of Changes in Equity (USD $)
In Thousands, except Share data
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings, Unappropriated [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Noncontrolling Interest [Member]
Total
Balance at Dec. 31, 2010 $ 164   $ 198,849 $ 51,553 $ (137)   $ 250,429
Balance (in Shares) at Dec. 31, 2010 16,468,000 (3,000)          
Stock-based compensation expense     30       30
Revaluation of noncontrolling interest RHB put/call liability       (1,268)     (1,268)
Tax benefit related to the exercise of RHB’s put/call liability       2,292     2,292
Equity attributable to noncontrolling interest in acquired companies           1,266 1,266
Net income (loss)       (35,900)   261 (35,639)
Other comprehensive income (loss)         633   633
Purchases of treasury shares   (3,592)         (3,592)
Purchases of treasury shares (in Shares)   (286,000)         (286,000)
Cancellation of treasury shares (2) 3,592 (3,422) (168)      
Cancellation of treasury shares (in Shares) (289,000) 289,000          
Stock issued upon option and warrant exercises 1   155       156
Stock issued upon option and warrant exercises (in Shares) 95,000            
Excess tax benefits from exercise of stock options     58       58
Issuance and amortization of restricted stock     473       473
Issuance and amortization of restricted stock (in Shares) 47,000            
Balance at Dec. 31, 2011 163   196,143 16,509 496 1,527 214,838
Balance (in Shares) at Dec. 31, 2011 16,321,000            
Revaluation of noncontrolling interest RHB put/call liability     243 (3,992)   (40) (3,789)
Distribution to owners           (117) (117)
Net income (loss)       (297)   1,068 771
Other comprehensive income (loss)         200   200
Purchases of treasury shares (in Shares)             0
Stock issued upon option and warrant exercises     66       66
Stock issued upon option and warrant exercises (in Shares) 24,000            
Excess tax benefits from exercise of stock options     (79)       (79)
Issuance and amortization of restricted stock 2   694       696
Issuance and amortization of restricted stock (in Shares) 150,000            
Balance at Dec. 31, 2012 165   197,067 12,220 696 2,438 212,586
Balance (in Shares) at Dec. 31, 2012 16,495,000            
Revaluation of noncontrolling interest RHB put/call liability     (7,078) (608)     (7,686)
Distribution to owners           (416) (416)
Net income (loss)       (73,929)   1,879 (72,050)
Other comprehensive income (loss)         (579)   (579)
Purchases of treasury shares (in Shares)             0
Stock issued upon option and warrant exercises     26       26
Stock issued upon option and warrant exercises (in Shares) 9,000            
Excess tax benefits from exercise of stock options     (15)       (15)
Issuance and amortization of restricted stock 2   926       928
Issuance and amortization of restricted stock (in Shares) 154,000            
Balance at Dec. 31, 2013 $ 167   $ 190,926 $ (62,317) $ 117 $ 3,901 $ 132,794
Balance (in Shares) at Dec. 31, 2013 16,658,000