CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 16,895	$ 7,742
Investments	250	0
Accounts receivable-net	31,336	30,680
Inventories-net	23,469	25,260
Deferred income taxes	9,907	10,240
Other current assets	3,138	3,088
Escrow receivable	1,147	0
Total current assets	86,142	77,010
Property, plant and equipment - net	6,119	5,259
Deferred income taxes	5,116	5,605
Goodwill	6,852	6,852
Intangible assets - net	16,444	15,888
Other assets	2,330	2,147
Assets of discontinued operations	0	3,182
Total Assets	123,003	115,943
Current liabilities:
Current portion of long-term debt	599	1,494
Accounts payable	19,000	15,773
Accrued salaries and benefits	6,392	7,002
Accrued expenses	2,211	2,609
Customer deposits	714	1,137
Deferred service revenue	14,912	10,412
Income taxes payable	93	138
Total current liabilities	43,921	38,565
Long-term debt	1,173	1,249
Other long-term liabilities	3,101	2,837
Liabilities of discontinued operations	101	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; 17,050,102 and 16,863,868 shares issued; 15,342,818 and 15,156,584 outstanding	341	337
Capital in excess of par value	43,413	42,990
Retained earnings	37,017	35,073
Accumulated other comprehensive loss	(232)	(201)
Treasury stock, at cost, 1,707,284 and 1,707,284 shares	(5,832)	(5,832)
Total shareholders' equity	74,707	72,367
Total Liabilities and Shareholders' Equity	$ 123,003	$ 115,943