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Consolidated Statement of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid in Capital
Retained Deficit
Treasury Stock
Non-controlling interests
Balance (in shares) at Dec. 31, 2015   19,753,000        
Balance at Dec. 31, 2015 $ 95,754 $ 198 $ 188,147 $ (92,500)   $ (91)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income (7,412)     (9,238)   1,826
Stock-based compensation (in shares)   79,000        
Stock-based compensation 1,810   1,810      
Stock issued in equity offering, net of expense (in shares)   5,175,000        
Stock issued in equity offering, net of expense 19,142 $ 52 19,090      
Distribution to owners (1,079)         (1,079)
Other (in shares)   (20,000)        
Other (125)   (125)      
Balance (in shares) at Dec. 31, 2016   24,987,000        
Balance at Dec. 31, 2016 108,090 $ 250 208,922 (101,738)   656
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income 15,817     11,617   4,200
Stock-based compensation (in shares)   248,000        
Stock-based compensation 2,843 $ 3 2,840      
Stock issued for Tealstone acquisition (in shares)   1,882,000        
Stock issued for Tealstone acquisition 17,061 $ 19 17,042      
Distribution to owners 0          
Warrants issued to lenders 3,500   3,500      
Other (in shares)   (66,000)        
Other (1,122) $ (1) (1,121)      
Balance (in shares) at Dec. 31, 2017   27,051,000     0  
Balance at Dec. 31, 2017 146,189 $ 271 231,183 (90,121) $ 0 4,856
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income 29,540     25,187   4,353
Stock-based compensation (in shares)   40,000        
Stock-based compensation 3,064 $ 0 3,064      
Distribution to owners $ (1,350)         (1,350)
Repurchase of common stock (in shares) (466,519)       (467,000)  
Repurchase of common stock $ (4,731)       $ (4,731)  
Other (in shares)   (27,000)        
Other (452) $ 0 (452)      
Balance (in shares) at Dec. 31, 2018   27,064,000     (467,000)  
Balance at Dec. 31, 2018 $ 172,260 $ 271 $ 233,795 $ (64,934) $ (4,731) $ 7,859