Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (1,619)	$ (3,421)
Adjustments to arrive at net loss from continuing operations	(429)	(2,476)
Net loss from continuing operations	(2,048)	(5,897)
Reconciliation to net cash provided by operating activities:
Depreciation and amortization	390	461
Provision for doubtful accounts	93	64
Provision for warranty reserve	288	77
Deferred taxes	1	168
Loss on sale of assets	23	14
Amortization of deferred debt issuance costs	0	316
Amortization of debt (premium) discount	(86)	265
Stock-based compensation expense	94	140
Change in fair value of common stock warrant	0	123
Gain on extinguishment of debt	0	(295)
Changes in assets and liabilities:
Accounts receivable	(994)	233
Inventories	(1,130)	454
Prepaid and other assets	170	(898)
Accounts payable and accrued expenses	(663)	(1,509)
Operating cash flow used in continuing operations	(3,862)	(6,284)
Operating cash flow provided by discontinued operations and held for sale assets	500	2,462
Net cash used in operating activities	(3,362)	(3,822)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(147)	(80)
Increase in restricted cash held in escrow	(386)	0
Proceeds from sale of subsidiary operations, net of cash	0	17,785
Investing cash flow used in continuing operations	(533)	17,705
Investing cash flow provided by discontinued operations	0	(36)
Net cash (used in) provided by investing activities	(533)	17,669
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of debt	1,170	0
Borrowings from lines of credit	20,982	29,299
Repayments of lines of credit	(20,893)	(34,044)
Repayments of long-term debt	(267)	(8,466)
Payments of notes to stockholders	0	(348)
Financing cash flow provided by (used in) continuing operations	992	(13,559)
Financing cash flow used in discontinued operations	0	(107)
Net cash provided by (used in) financing activities	992	(13,666)
Effect of exchange rate changes on cash	(34)	(433)
Net (decrease) increase in cash and cash equivalents	(2,937)	(252)
Cash and cash equivalents at beginning of period	3,742	3,994
Cash and cash equivalents at end of period	805	3,742
Cash paid during the year for:
Interest	387	1,341
Income taxes	257	988
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Acquisition of equipment through capital lease	228	171
Stock issued to retire debt	$ 0	$ 450