Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net loss	$ (2,874,000)	$ (4,199,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization of debt issuance costs	21,000	21,000
Non-cash interest expense	9,000	9,000
Stock-based compensation		976,000
Changes in operating assets and liabilities:
Income and other tax receivables	512,000	(2,000)
Prepaid expenses and other current assets	(25,000)	(31,000)
Accounts payable and accrued liabilities	787,000	208,000
Net cash used in operating activities	(1,570,000)	(3,019,000)
Proceeds from sales and maturities of short-term investments		500,000
Net cash provided by investing activities		500,000
Cash flows from financing activities:
Proceeds from issuance of common stock and warrants, net of offering costs of $152	1,873,000
Proceeds from issuance of common stock, net of offering costs of $12		1,513,000
Proceeds from the exercise of stock options		762,000
Proceeds from the exercise of stock purchase warrants		400,000
Net cash provided by financing activities	1,873,000	2,675,000
Effect of exchange rate changes on cash and cash equivalents	1,000	(23,000)
Net increase in cash and cash equivalents	304,000	133,000
Cash and cash equivalents at beginning of period	925,000	1,653,000
Cash and cash equivalents at end of period	1,229,000	1,786,000
Supplemental disclosure of cash flow information:
Cash paid during period for interest	70,000	87,000
Supplemental disclosure of non-cash transactions:
Deferred Compensation Exchanged for Common Stock and Warrants	196,000
Issuance of common stock for services	75,000
Conversion of notes payable into common stock		226,000
Notes payable assumed in merger		$ 250,000