Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income (Loss)	$ 5,028	$ 3,836	$ 2,288
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	2,470	2,078	1,903
(Gain) loss on disposal of assets	(6)	(1)
Share-based compensation	90	58	91
Warrant interest expense	22	67	70
Deferred income taxes	120	(9)	9
Provision for bad debts	69		23
Changes in working capital:
Trade accounts receivables	936	(1,081)	(545)
Inventories	(3,777)	(7,845)	(1,449)
Other current assets	(598)	(115)	(179)
Accounts payable and accrued expenses	1,385	1,094	1,457
Net cash (used in) provided by operating activities	5,739	(1,918)	3,668
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property, plant and equipment	(4,881)	(3,535)	(1,645)
Proceeds from sales of property, plant and equipment	7	2	18
Net cash used in investing activities	(4,874)	(3,533)	(1,627)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from (payments on) lines of credit	(869)	2,087	(2,449)
Net proceeds from (payments on) export credit refinancing facility	(906)	997	264
Proceeds from capital lease		11	19
Payments on capital lease	(18)	(11)	(137)
Proceeds from long-term bank debt	866	972	2,000
Payments on long-term bank debt	(862)	(790)	(470)
Loan origination payments			33
Proceeds from the issuance of common stock, and exercise of common stock options	198	3,356	96
Preferred stock dividends paid		(31)	(60)
Net cash provided by (used in) financing activities	(1,591)	6,591	(704)
Effect of exchange rate fluctuations on cash and cash equivalents	144	(318)	220
Net increase in cash and cash equivalents	(582)	822	1,557
Cash and cash equivalents at beginning of year	3,381	2,559	1,002
Cash and cash equivalents at end of year	2,799	3,381	2,559
Supplemental cash flow disclosures:
Interest paid	429	471	439
Income taxes paid	742	7	7
Non-cash financing activities
Conversion of debenture	$ 1,450	$ 25	$ 25