CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows related to operating activities:
Net income	$ 63	$ 418
Adjustments to reconcile net income to net cash generated (used) in operating activities:
Depreciation and amortization	171	167
Increase in inventory reserve	14	4
Change in assets and liabilities:
Accounts receivable	360	(551)
Inventories	(154)	(130)
Prepaid income taxes	27	170
Other assets	(328)	(327)
Other non-current assets	(2)	(6)
Accounts payable	(120)	(44)
Accrued employee compensation and benefit costs	274	231
Other accrued liabilities	(144)	(50)
Net cash generated (used) in operating activities	161	(118)
Cash flows related to investing activities:
Capital expenditures - property, plant and equipment	(87)	(101)
Net cash used in investing activities	(87)	(101)
Cash flows related to financing activities:
Principal payments on long-term debt	(12)	(38)
Proceeds from exercise of stock options	19
Principal payments on capital lease related party	(20)	(20)
Net cash used in financing activities	(13)	(58)
Net increase (decrease) in cash and cash equivalents	61	(277)
Cash and cash equivalents at beginning of period	4,948	4,447
Cash and cash equivalents at end of period	$ 5,009	$ 4,170