Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (528)	$ (871)
Adjustments to arrive at net loss from continuing operations		9
Net loss from continuing operations	(528)	(862)
Reconciliation to net cash provided by operating activities:
Depreciation and amortization	115	100
Loss on sale of property, plant & equipment	3
Provision for doubtful accounts	28	93
Provision for warranty reserve	50	57
Provision for inventory reserve	236	307
Provision for income taxes	109	(14)
Amortization of debt (premium) discount		(45)
Stock-based expense		7
Changes in assets and liabilities:
Accounts receivable	(585)	1,374
Inventories	317	(909)
Prepaid and other assets	863	297
Accounts payable and accrued expenses	716	9
Operating cash flow generated in continuing operations	1,324	414
Net cash generated in operating activities	1,324	414
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(2,976)	(150)
Investing cash flow used in continuing operations	(2,976)	(150)
Net proceeds from sale of discontinued operations		300
Net cash (used in) provided by investing activities	(2,976)	150
CASH FLOWS FROM FINANCING ACTIVITIES:
Building mortgage	2,124
Net borrowings from lines of credit		271
Repayments of lines of credit	(337)
Repayments of long-term debt	(394)	(504)
Financing cash flow provided by (used in) continuing operations	1,393	(233)
Effect of exchange rate changes on cash	(181)	339
Net (decrease) increase in cash and cash equivalents	(440)	670
Cash and cash equivalents at beginning of period	1,519	805
Cash and cash equivalents at end of period	1,079	1,475
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Acquisition of equipment through capital lease	$ 53