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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, 2009 $ 160   $ 197,898 $ 32,466 $ 242   $ 230,766
Balance (in Shares) at Dec. 31, 2009 16,082,000            
Net income (loss)       19,087     19,087
Other comprehensive income (loss)         (379)   (379)
Stock issued upon option and warrant exercises 3   1,048       1,051
Stock issued upon option and warrant exercises (in Shares) 350,000            
Issuance and amortization of restricted stock 1   473       474
Issuance and amortization of restricted stock (in Shares) 36,000 (3,000)          
Stock-based compensation expense     121       121
Revaluation of noncontrolling interest RHB put/call liability     (691)       (691)
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)          
Net income (loss)       (35,900)   261 (35,639)
Other comprehensive income (loss)         633   633
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            
Stock-based compensation expense     30       30
Revaluation of noncontrolling interest RHB put/call liability       (1,268)     (1,268)
Purchases of treasury shares   (3,592)         (3,592)
Purchases of treasury shares (in Shares)   (286,000)          
Cancellation of treasury shares (2) 3,592 (3,422) (168)      
Cancellation of treasury shares (in Shares) (289,000) 289,000          
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
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            
Net income (loss)       (297)   1,068 771
Other comprehensive income (loss)         200   200
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            
Revaluation of noncontrolling interest RHB put/call liability     243 (3,992)   (40) (3,789)
Distribution to owners           (117) (117)
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