Consolidated Statements of Cash Flows Statement (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net loss	$ (740)	$ (3,087)
Less: Net Income (loss) from discontinued operations, net of tax	2,761	(1,895)
Loss from continuing operations	(3,501)	(1,192)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	641	794
Deferred tax benefit	(2,008)	0
Deferred compensation	216	(304)
Stock-based Compensation	169	284
Provision for (reversal of) accounts receivable reserve	17	(24)
Provision for inventory reserve	257	657
Changes in assets and liabilities:
Restricted cash	(697)	0
Accounts receivable	1,613	2,807
Inventories	1,137	(4,770)
Deferred cost of goods sold	86	(2,885)
Deposits, prepaid expenses and other current assets	573	(381)
Accounts payable, accrued liabilities and other liabilities	(2,873)	(2,387)
Deposit - related party	300	0
Advances on contracts in progress	(1,187)	4,864
Net cash used in operating activities of continuing operations	(5,257)	(2,537)
Net cash provided by (used in) operating activities of discontinued operations	3,723	(1,083)
Net cash used in operating activities	(1,534)	(3,620)
Cash flows from investing activities:
Payments to Acquire Property, Plant, and Equipment	(129)	(153)
Additions to intangible and other assets	(11)	(57)
Net cash used in investing activities of continuing operations	(140)	(210)
Net cash provided by (used in) investing activities of discontinued operations	2,128	(82)
Net cash provided by (used in) investing activities	1,988	(292)
Cash flows from financing activities:
Principal payments on capital lease obligations	(34)	(32)
Proceeds from exercise of stock options	0	9
Net cash used in financing activities	(34)	(23)
Net increase (decrease) in cash and cash equivalents	420	(3,935)
Cash and cash equivalents, beginning of period	4,758	6,259
Cash and cash equivalents, end of period	5,178	2,324
Supplemental disclosures of cash flow information:
Interest paid	97	91
Income Tax Paid or Proceeds from Income Tax Refund	10	(31)
Supplemental disclosure of non-cash flow information [Abstract]
inventory transfered to property and equipment	$ 405	$ 0