Condenses Consolidated Statements of Cash Flows-Unaudited (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
OPERATING ACTIVITIES
Net loss	$ (83)	$ (593)
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Depreciation	217	160
Amortization of finite-lived intangible assets	23	21
Write-down of note receivable	5	0
Stock-based compensation	110	89
Deferred income tax benefit	(213)	(266)
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable, net	(129)	502
Increase in inventories, net	(111)	(164)
Decrease in other assets	210	0
(Decrease) increase in trade accounts payable, accrued compensation and commissions expense and other accrued liabilities	(765)	382
Net cash (used in) provided by operating activities	(736)	131
INVESTING ACTIVITIES
Capital expenditures	(140)	(294)
Net cash used in investing activities	(140)	(294)
FINANCING ACTIVITIES
Net borrowings (repayments) on note payable to bank	133	(70)
Principal payments of long-term debt	(58)	(84)
Net cash provided by (used in) financing activities	75	(154)
Decrease in cash and cash equivalents	(801)	(317)
Cash and cash equivalents at beginning of period	8,625	13,709
Cash and cash equivalents at end of period	7,824	13,392
Supplemental Disclosure:
Cash paid for interest	11	5
Cash paid for income taxes	$ 0	$ 32