Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net (loss) income	$ (398)	$ 197
Adjustments to reconcile net loss to net cash provided by (used for) operating activities:
Release of lease abondment accrual	(606)	0
Depreciation and amortization	317	391
Expense for stock options issued to employees	230	253
Change in uncertain tax positions	(253)	(167)
Changes in assets and liabilities:
Trade receivables	1,242	3,179
Equipment financing receivables	(51)	0
Inventories	57	(31)
Income taxes receivable	358	18
Prepaid expenses and other	(107)	135
Other long-term assets	6	2
Accounts payable, accrued expenses and other	(1,344)	(128)
Deferred revenue	(1,269)	(3,197)
Net cash provided by (used for) operating activities	(1,818)	652
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of property and equipment	(55)	(711)
Sale of property and equipment	1	0
Net cash used for investing activities	(54)	(711)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of options	3	336
Payments made on contingent consideration	(6)	(1)
Dividend payments	0	(211)
Net cash (used for) provided by financing activities	(3)	124
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(1,875)	65
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	7,440	8,658
CASH AND CASH EQUIVALENTS, END OF PERIOD	5,565	8,723
Supplemental disclosure of cash flow information:
Cash (received) during the period: Income taxes	(342)	(4)
Supplemental disclosure of non-cash investing and financing information:
Dividends declared	0	211
Purchase of property and equipment included in accounts payable	$ 6	$ 125