Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Operating Activities
Net (loss) income	$ (254)	$ 152
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Depreciation	46	46	91
Gain on disposal of equipment		(9)
Deferred income taxes		156
Stock based compensation	38	24
Provision for excess and obsolete inventories	9	(16)
Changes in operating assets and liabilities:
Accounts receivable	(518)	582
Inventories	(85)	295
Prepaid expenses and other current assets	23	10
Accounts payable	380	38
Deferred revenue		(591)
Accrued liabilities	(44)	(109)
Net cash (used in) provided by operating activities	(405)	578
Investing Activities
Purchases of equipment	(32)	(41)
Proceeds from sale of equipment		9
Net cash used in investing activities	(32)	(32)
(Decrease) increase in cash	(437)	546
Cash - beginning of period	1,211	289	289
Cash - end of period	$ 774	$ 835	$ 1,211

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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.