XML 22 R5.htm IDEA: XBRL DOCUMENT v3.19.1
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Preferred Stock
Common Stock
Additional Paid-In Capital
Retained Earnings (Accumulated Deficit)
Beginning balance (in shares) at Dec. 31, 2015   1,976 27,052    
Beginning balance, amount at Dec. 31, 2015 $ 23,404 $ 2 $ 27 $ 42,859 $ (19,484)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Options exercised (in shares)     36    
Options exercised 130     130  
Warrants exercised (in shares)     293    
Warrants exercised 698     698  
Issuance of common stock (in shares)     1,625    
Issuance of common stock 5,830   $ 2 5,828  
Conversion of Series B convertible preferred to common stock (in shares)   1,000 2,000    
Conversion of Series B convertible preferred to common stock 0 $ (1) $ 2 (1)  
Stock based compensation 809     809  
Stock exercise to acquire options and warrants (in shares)     (146)    
Stock exercise to acquire options and warrants (698)     (698)  
Net income (loss) (3,950)       (3,950)
Ending balance (in shares) at Dec. 31, 2016   976 30,860    
Ending balance, amount at Dec. 31, 2016 26,223 $ 1 $ 31 49,625 (23,434)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Options exercised (in shares)     177    
Options exercised 427     427  
Warrants exercised (in shares)     54    
Warrants exercised 130     130  
Conversion of Series B convertible preferred to common stock (in shares)   976 1,951    
Conversion of Series B convertible preferred to common stock 0 $ (1) $ 2 (1)  
Stock based compensation 871     871  
Stock exercise to acquire options and warrants (in shares)     (164)    
Stock exercise to acquire options and warrants (557)     (557)  
Net income (loss) (5,062)       (5,062)
Ending balance (in shares) at Dec. 31, 2017   0 32,878    
Ending balance, amount at Dec. 31, 2017 22,032 $ 0 $ 33 50,495 (28,496)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Options exercised (in shares)     1,379    
Options exercised 3,344   $ 1 3,343  
Warrants exercised (in shares)     40    
Warrants exercised 95     95  
Stock based compensation 1,525     1,525  
Stock exercise to acquire options and warrants (in shares)     (592)    
Stock exercise to acquire options and warrants (3,237)     (3,237)  
Net income (loss) 64,009       64,009
Ending balance (in shares) at Dec. 31, 2018   0 33,705    
Ending balance, amount at Dec. 31, 2018 $ 87,768 $ 0 $ 34 $ 52,221 $ 35,513