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Consolidated Statements of Shareholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional paid in capital
(Accumulated Deficit)
Balance at Dec. 31, 2015 $ 8,588 $ 642 $ 22,528 $ (14,582)
Balance, shares at Dec. 31, 2015   64,224,860    
Shares issued upon conversion of preferred stock 307 $ 12 295
Shares issued upon conversion of preferred stock, shares   1,205,882    
Shares issued for restructured settlement program 167 $ 12 155
Shares issued for restructured settlement program, shares   1,219,189    
Dividends on preferred stock (463)   (463)  
Stock-based compensation 273 273
Net loss (4,698)     (5,910)
Adjustment due to adoption of ASU 2017-11 1,518 307 1,211
Balance at Dec. 31, 2016 4,480 $ 666 23,095 (19,281)
Balance, shares at Dec. 31, 2016   66,649,931    
Shares issued upon conversion of preferred stock 2,246 $ 88 2,158
Shares issued upon conversion of preferred stock, shares   8,806,906    
Additional shares issued for ConeXus purchase 1,971 $ 56 1,915
Additional shares issued for ConeXus purchase, shares   5,631,373    
Shares issued for services 500 $ 20 480
Shares issued for services, shares   1,960,784    
Issuance of warrants with promissory notes 2,216   2,216  
Redemption and cancellation of shares under repurchase plan (149) $ (11) (138)
Redemption and cancellation of shares under repurchase plan, shares   (1,185,968)    
Dividends on preferred stock (246)   (246)  
Common stock issued as dividend $ 7 (7)
Common stock issued as dividend, shares   718,840    
Stock-based compensation 284 284
Net loss (6,950)     (6,950)
Balance at Dec. 31, 2017 $ 4,352 $ 826 $ 29,757 $ (26,231)
Balance, shares at Dec. 31, 2017   82,581,866