CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income (loss)	$ 137,000	$ (8,222,000)
Depreciation and amortization	26,000	20,000
Stock-based compensation expense	77,000	299,000
Change in fair value of warrant and liabilities	(2,114,000)	2,400,000
Change in fair value of convertible notes	(1,865,000)	3,461,000
Loss on extinguishment of convertible notes	1,283,000
Non-cash interest expense	95,000	132,000
Change in assets and liabilities:
Restricted cash	(500,000)
Accounts receivable	194,000	138,000
Inventories	21,000	38,000
Prepaid expenses and other current assets	(28,000)	44,000
Accounts payable	55,000	268,000
Deferred revenue	(266,000)	(29,000)
Accrued liabilities	15,000	(13,000)
Net cash flows used in operating activities	(2,870,000)	(1,464,000)
Cash flows used for investing activities:
Purchase of property and equipment		(74,000)
Net cash flow used for investing activities		(74,000)
Cash flows from financing activities:
Net proceeds from sale of common stock and warrants	3,504,000
Net proceeds from issuance of convertible notes and warrants	250,000
Net cash provided by financing activities	3,754,000
Effect of exchange rate changes on cash and cash equivalents	(14,000)	(50,000)
Net (decrease) increase in cash and cash equivalents	870,000	(1,588,000)
Cash and cash equivalents at beginning of period	258,000	2,585,000
Cash and cash equivalents at end of period	1,128,000	997,000
Supplemental disclosure of cash flow information:
Cash paid for interest	112,000	100,000
Supplemental disclosure of non-cash financing activities:
Cashless exercise of warrants	2,003,000
Cashless conversion of convertible notes	$ 450,000