CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income (loss)	$ 2,465	$ 404
(Income) loss from discontinued operations	(1,430)	337
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Unrealized gain on investments	(361)	0
Depreciation and amortization	825	704
Provision for bad debts	160	208
Provision for obsolete inventory	750	329
Equity based compensation	165	37
Deferred income tax	1,650	369
Changes in operating assets and liabilities:
Accounts receivable	3,246	62
Inventories	(1,414)	(817)
Income tax refunds/payable	2	(160)
Other current assets	(37)	(939)
Other assets	(191)	(53)
Accounts payable	744	(3,001)
Accrued salaries and benefits	(785)	(2,128)
Accrued expenses	(593)	(127)
Customer deposits	(486)	(1,059)
Deferred service revenue	2,522	2,109
Other long-term liabilities	255	86
Net cash provided by operating activities-continuing operations	7,487	(3,639)
Net cash used in operating activities-discontinued operations	(2,281)	(481)
Net cash provided by (used in) operating activities	5,206	(4,120)
Cash flows from investing activities:
Capital expenditures	(494)	(304)
Capitalization of software costs	(679)	(2,734)
Purchases of investments	(750)	0
Proceeds from sale of business	4,000	0
Net cash provided by (used in) investing activities-continuing operations	2,077	(3,038)
Net cash (used in) investing activities-discontinued operations	0	(10)
Net cash provided by (used in) investing activities	2,077	(3,048)
Cash flows from financing activities:
Net borrowings (payments) under line-of-credit agreements	0	4,850
Payments of long-term debt	(485)	(409)
Proceeds from the exercise of stock options	23	14
Net cash provided by (used in) financing activities-continuing operations	(462)	4,455
Net cash used in financing activities-discontinued operations	0	0
Net cash provided by (used in) financing activities	(462)	4,455
Effect of exchange rate changes on cash and cash equivalents	145	281
Net increase (decrease) in cash and cash equivalents	6,966	(2,432)
Cash and cash equivalents at beginning of period	7,742	6,781
Cash and cash equivalents at end of period	14,708	4,349
Less cash and equivalents of discontinued operations at end of period	0	(9)
Cash and equivalents of continuing operations at end of period	14,708	4,340
Cash paid during the period for:
Interest	21	81
Income taxes, net of (refunds)	$ (4)	$ 160