Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating activities
Net (loss) income	$ (628)	$ 468
Adjustments to reconcile net (loss) income to net cash (used in ) provided by operating activities:
Allowance for doubtful accounts	0	17
Inventories reserve	107	247
Deferred tax asset	0	342
Depreciation and amortization	1,059	486
Share-based compensation expense	131	231
Excess tax benefit from share-based payment arrangement	0	(20)
Changes in operating assets and liabilities:
Accounts receivable	633	(750)
Inventories	(385)	(3,798)
Prepaid expenses and other current assets	198	(194)
Other assets	34	58
Accounts payable	(1,279)	1,110
Accrued compensation and related taxes	61	(257)
Accrued warranty expense	31	15
Deferred revenue	226	78
Accrued other expenses and other current liabilities	59	111
Net cash (used in) provided by operating activities	247	(1,856)
Investing activities
Purchases of property, plant and equipment	(198)	(439)
Capitalized software	0	(1,149)
Net cash used in investing activities	(198)	(1,588)
Financing activities
Proceeds from issuance of common stock	0	79
Excess tax benefit from share-based payment arrangement	0	20
Increase in revolving credit line	1,500	2,000
Decrease in revolving credit line	(1,700)	0
Cash (used in) provided by financing activities	(200)	2,099
Net change in cash and cash equivalents	(151)	(1,345)
Cash and cash equivalents, beginning of year	5,050	7,660
Cash and cash equivalents, end of year	4,899	6,315
Supplemental disclosure
Cash paid for interest	90	6
Cash paid for income taxes	0	11
Non-cash financing activity
Cashless exercise of stock options and related conversion of net shares to stockholders’ equity	$ 6	$ 0