Consolidated Statements of Cash Flows Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net loss	$ (2,704)	$ (2,628)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	137	119
Deferred compensation	372	239
Share-based compensation	8	36
Provision for accounts receivable reserve	32	0
Provision for inventory reserve	50	156
Changes in assets and liabilities:
Restricted cash	(496)	0
Accounts receivable	(385)	637
Inventories	(137)	(2)
Deferred cost of goods sold	713	54
Deposits, prepaid expenses and other current assets	427	161
Accounts payable, accrued liabilities and other liabilities	674	538
Advances on contracts in progress	92	(100)
Net cash used in operating activities	(1,217)	(790)
Cash flows from investing activities:
Purchase of Property and Equipment	(67)	(53)
Additions to intangible and other assets	(21)	(22)
Net cash provided by investing activities	(88)	(75)
Cash flows from financing activities:
Principal payments on capital lease obligations	(3)	(3)
Principal payments on term loan	185	0
Net payments on revolving lines of credit	(104)	0
Net cash used in financing activities	(292)	(3)
Net decrease in cash and cash equivalents	(1,597)	(868)
Cash and cash equivalents, beginning of period	3,986	3,030
Cash and cash equivalents, end of period	2,389	2,162
Supplemental disclosures of cash flow information:
Interest paid	75	16
Income Taxes Paid	5	1
Supplemental disclosure of non-cash flow information [Abstract]
Liabilities settled with common stock	$ 0	$ 84