CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 14,708	$ 7,742
Investments	1,744	0
Accounts receivable-net	27,274	30,680
Inventories-net	25,925	25,260
Deferred income taxes	8,897	10,240
Other current assets	3,125	3,088
Escrow Receivable	600	0
Total current assets	82,273	77,010
Property, plant and equipment - net	5,453	5,259
Deferred income taxes	5,528	5,605
Goodwill	6,852	6,852
Intangible assets - net	16,048	15,888
Other assets	2,338	2,147
Escrow Receivable	890	0
Assets of discontinued operations	0	3,182
Total Assets	119,382	115,943
Current liabilities:
Current portion of long-term debt	1,045	1,494
Accounts payable	16,517	15,773
Accrued salaries and benefits	6,217	7,002
Accrued expenses	2,017	2,609
Customer deposits	651	1,137
Deferred service revenue	12,933	10,412
Income taxes payable	140	138
Total current liabilities	39,520	38,565
Long-term debt	1,211	1,249
Other long-term liabilities	3,093	2,837
Liabilities of discontinued operations	389	925
Shareholders' Equity:
Preferred stock, $.02 par value, 1,000,000 shares authorized	0	0
Common stock, $.02 par value, 29,000,000 shares authorized; 16,917,368 and 16,863,868 shares issued; 15,210,084 and 15,156,584 outstanding	338	337
Capital in excess of par value	43,176	42,990
Retained earnings	37,538	35,073
Accumulated other comprehensive loss	(51)	(201)
Treasury stock, at cost, 1,707,284 and 1,707,284 shares	(5,832)	(5,832)
Total shareholders' equity	75,169	72,367
Total Liabilities and Shareholders' Equity	$ 119,382	$ 115,943