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Consolidated Statements of Equity (Unaudited) - 6 months ended Jun. 30, 2016 - USD ($)
Total
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Other Comprehensive Loss [Member]
Retained Deficit [Member]
Noncontrolling Interests [Member]
Balance (in shares) at Dec. 31, 2015   15,332,041        
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 1,666          
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures   122,134        
Redemption and retirement of shares (in shares)   (246,643)        
Balance (in shares) at Jun. 30, 2016   15,209,198        
Balance at Dec. 31, 2015 $ 10,951,000 $ 0 $ 211,083,000 $ (600,000) $ (199,524,000) $ (8,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Proceeds from Stock Options Exercised 4,000   4,000      
Noncontrolling Interest, Increase from Subsidiary Equity Issuance 4,000         4,000
Amortization of deferred stock-based compensation costs 532,000   532,000      
Redemption and retirement of shares (745,000)   (745,000)   0  
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options (37,000)   (37,000)      
Net income 4,825,000       4,830,000 (5,000)
Foreign currency translation adjustment, net of tax       600,000    
Balance at Jun. 30, 2016 $ 16,134,000 $ 0 $ 210,837,000 $ 0 $ (194,694,000) $ (9,000)