CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating Activities
Net income (loss)	$ 1,648	$ (3,396)	$ (3,364)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
(Gain) loss on derivatives	(73)	3	29
Depreciation	307	481	660
Loss on disposal of property, plant and equipment	23	0	16
Deferred income taxes	(1,535)	0	0
Stock based compensation	661	1,447	505
Loss on extinguishment of debt	0	0	232
Provision for doubtful accounts	0	0	92
Provision for inventory obsolescence	0	0	124
Changes in operating assets and liabilities:
Accounts receivable	(795)	56	(694)
Inventories	(113)	(54)	781
Prepaid expenses and other current assets	26	38	106
Accounts payable	(64)	(68)	(186)
Income taxes payable	(20)	0	(216)
Deferred revenue	37	5	8
Accrued liabilities	(35)	(18)	(263)
Net cash provided by (used in) operating activities	67	(1,506)	(2,170)
Investing Activities
Purchases of property, plant and equipment	(175)	(47)	(7)
Proceeds from sale of property, plant and equipment	12	0	0
Net cash used in investing activities	(163)	(47)	(7)
Financing Activities
Proceeds from short-term debt	0	0	1,300
Proceeds from the sale of subsidiary equity and warrants issued	647	1,886	0
Net cash provided by financing activities	647	1,886	1,300
Increase (decrease) in cash and cash equivalents	551	333	(877)
Cash and cash equivalents - beginning of year	1,118	785	1,662
Cash and cash equivalents - end of year	$ 1,669	$ 1,118	$ 785