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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock [Member]
Additional Paid-In Capital [Member]
Treasury Stock [Member]
Accumulated Deficit [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Non-controlling Interest [Member]
Balance at Dec. 31, 2013 $ 54,409 $ 14 $ 98,598 $ (378) $ (29,773) $ (14,052) $ 0
Balance (in shares) at Dec. 31, 2013   14,226          
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Share-based compensation expense 1,006 $ 0 1,006 0 0 0 0
Proceeds from the exercise of warrants and stock options 14,368 $ 5 14,363 0 0 0 0
Proceeds from the exercise of warrants and stock options (in shares)   4,786          
Taxes paid in lieu of shares issued for share-based compensation (41) $ 0 (41) 0 0 0 0
Preferred stock dividend and accretion (200) 0 (200) 0 0 0 0
Issuance of common stock 6,000 $ 2 5,998 0 0 0 0
Issuance of common stock (in shares)   1,500          
Acquisition of noncontrolling interest 58,012 $ 0 0 0 0 0 58,012
Additional acquisition of noncontrolling interest (13,399) 0 0 0 0 0 (13,399)
Net (loss) income (7,449) 0 0 0 (8,508) 0 1,059
Foreign currency translation adjustment (136) 0 0 0 0 (136) 0
Unrealized gain (loss) on available-for-sale securities, net of tax 0            
Balance at Jun. 30, 2014 112,570 $ 21 119,724 (378) (38,281) (14,188) 45,672
Balance (in shares) at Jun. 30, 2014   20,512          
Balance at Dec. 31, 2014 112,833 $ 24 147,081 (378) (41,880) (15,178) 23,164
Balance (in shares) at Dec. 31, 2014   23,813          
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Share-based compensation expense 4,599 $ 0 4,599 0 0 0 0
Dividend paid to noncontrolling interest (241) 0 0 0 0 0 (241)
Preferred stock dividend and accretion (2,177) 0 (2,177) 0 0 0 0
Issuance of common stock 0 $ 0 0 0 0 0 0
Issuance of common stock (in shares)   5          
Issuance of restricted stock 2 $ 2 0 0 0 0 0
Issuance of restricted stock (in shares)   1,539          
Conversion of preferred stock to common stock 1,000 $ 0 1,000 0 0 0 0
Conversion of preferred stock to common stock (in shares)   235          
Acquisition of noncontrolling interest (222) $ 0 0 0 0 0 (222)
Excess book value over fair value of purchased noncontrolling interest 0 0 34 0 0 0 (34)
Net (loss) income (16,334) 0 0 0 (16,277) 0 (57)
Foreign currency translation adjustment (1,872) 0 0 0 0 (1,872) 0
Unrealized gain (loss) on available-for-sale securities, net of tax (3,089) 0 0 0 0 (3,089) 0
Balance at Jun. 30, 2015 $ 94,499 $ 26 $ 150,537 $ (378) $ (58,157) $ (20,139) $ 22,610
Balance (in shares) at Jun. 30, 2015   25,592