Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Net loss	$ (353)	$ (1,365)
Adjustments to reconcile net loss to net cash from operating activities:
Depreciation and amortization	452	519
Deferred income tax (benefit) expense	(299)	90
Inventory provisions	144	40
Share-based payment arrangements	518	947
Shares issued for 401(k) match	129	125
Other	16	39
Changes in operating assets and liabilities:
Accounts receivable	(1,637)	1
Inventories	348	(143)
Prepaid expenses and other assets	(358)	(257)
Accounts payable and accrued expenses	549	229
Deferred revenue	(26)	48
Other liabilities	(219)	303
Net cash (used in) provided by operating activities	(736)	576
Acquisitions of property and equipment	(539)	(290)
Net cash used in investing activities	(539)	(290)
Proceeds from exercise of stock options	89	1
Payments on capital lease obligations	(16)	(17)
Payments on term loan	(162)	(162)
Net cash used in financing activities	(89)	(178)
Change in cash and cash equivalents	(1,364)	108
Cash and cash equivalents at beginning of period	5,565	5,238
Cash and cash equivalents at end of period	$ 4,201	$ 5,346