Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income (loss)	$ 55	$ (709)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation	48	56
Loss on disposal of fixed assets	1	12
Provision for bad debts		23
Provision for obsolete inventory	43	4
Stock-based compensation expense	21	57
(Increase) decrease in:
Trade accounts receivable	(1,699)	243
Other accounts receivable	80	(174)
Inventory	(567)	177
Prepaids	305	(819)
Other assets	138	25
Increase (decrease) in:
Accounts payable	365	(376)
Accrued expenses	(122)	(94)
Net cash used in operating activities	(1,332)	(1,575)
Cash flows from investing activities:
Purchase of property and equipment	(14)	(10)
Decrease in restricted cash		1,003
Net cash provided by (used in) investing activities	(14)	993
Cash flows from financing activities:
Cash received from exercise of stock options	135
Net cash provided by financing activities	135
Effect of exchange rate changes on cash	(13)	33
Net decrease in cash and cash equivalents	(1,224)	(549)
Cash and cash equivalents, beginning of period	2,369	5,230
Cash and cash equivalents, end of period	1,145	4,681
Cash paid for interest
Cash paid for income taxes

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.