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 income (loss)	$ 224	$ (300)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Equity in net (income) loss of joint venture	(1)	108
Share-based compensation	40	131
Forgiveness of debt	0	(10)
Bad debt (recovery) provision	(26)	45
Depreciation and amortization	379	465
Gain on disposal of property, plant and equipment	(4)	(47)
Changes in assets and liabilities:
Accounts receivable	552	1,117
Costs and estimated earnings in excess of billings on uncompleted contracts	(885)	(231)
Prepaid expenses and other current assets	150	88
Other assets	4	68
Inventory	(447)	0
Accounts payable and accrued liabilities	(1,176)	(454)
Deferred revenues	(33)	(202)
Billings in excess of costs and estimated earnings on uncompleted contracts	470	80
Net cash (used in) provided by operating activities	(753)	858
Cash flows from investing activities:
Purchases of property, plant and equipment	(34)	(550)
Proceeds from sale of property, plant and equipment	4	67
Cash paid for deposits	(99)	0
Cash paid for patents	0	(27)
Cash paid for exclusive product rights	0	(125)
Repayments on notes receivable	4	0
Net cash used in investing activities	(125)	(635)
Cash flows from financing activities:
Cash paid for purchase of our common stock	0	(48)
Proceeds from bank term loans	521	0
Cash paid for deferred financing costs	(43)	0
Repayments of long-term debt	(567)	(923)
Net cash used in financing activities	(89)	(971)
Change in cash and equivalents	(967)	(748)
Cash and cash equivalents, beginning of period	1,523	4,979
Cash and cash equivalents, end of period	556	4,231
Supplemental schedule of significant noncash transactions:
Property, plant and equipment acquired via capital lease	$ 0	$ 1,200