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Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Operating activities:        
Net (loss)/income $ (724) $ (173) $ (1,144) $ 4
Adjustments to reconcile net (loss)/income to net cash used in operating activities:        
Unrealized loss/(gain) on derivative 17 (385) (26) (1,010)
Stock-based compensation - consultants 17 0 30 0
Stock-based compensation - employees 111 10 111 19
Changes in operating assets and liabilities:        
Prepaid assets 22 17 58 34
Other current assets (2) (1) (4) 14
Accounts payable 120 17 48 93
Accrued liabilities (31) 4 (42) (83)
Net cash used in operating activities (470) (511) (969) (929)
Investing activities:        
Net cash used in investing activities 0 0 0 0
Financing activities:        
Issuance of units, options and warrants exercised 6 449 108 476
Rights offering 5,000 0 5,000 0
Net cash provided by financing activities 5,006 449 5,108 476
Effect of exchange rate on cash and cash equivalents 0 0 0 0
Increase/(decrease) in cash and cash equivalents 4,536 (62) 4,139 (453)
Cash and cash equivalents - Beginning of period 545 1,916 942 2,307
Cash and cash equivalents - End of period $ 5,081 $ 1,854 $ 5,081 $ 1,854