CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 14,121	$ 19,475
Accounts receivable-net	28,137	29,890
Inventories-net	25,835	26,172
Deferred income taxes	12,451	11,037
Other current assets	3,492	3,236
Escrow receivable	828	828
Total current assets	84,864	90,638
Property, plant and equipment - net	5,588	5,857
Deferred income taxes	5,726	6,280
Goodwill	6,852	6,852
Intangible assets - net	12,316	11,747
Other assets	2,605	2,391
Total Assets	117,951	123,765
Current liabilities:
Current portion of long-term debt	161	159
Accounts payable	16,393	21,216
Accrued salaries and benefits	6,544	6,397
Accrued expenses	2,542	4,467
Customer deposits	885	1,380
Deferred service revenue	14,789	12,522
Income taxes payable	288	547
Total current liabilities	41,602	46,688
Long-term debt	1,043	1,084
Other long-term liabilities	3,429	3,030
Liabilities of discontinued operations	104	141
Liabilities, Total	46,178	50,943
Shareholders' Equity:
Preferred stock, $.02 par value, 1,000,000 shares authorized	0	0
Common stock, $.02 par value, 29,000,000 shares authorized; 17,043,128 and 17,038,405 shares issued; 15,335,441 and 15,330,718 outstanding	341	341
Capital in excess of par value	43,313	43,661
Retained earnings	34,374	34,758
Accumulated other comprehensive loss	(421)	(104)
Treasury stock, at cost, 1,707,687 and 1,707,284 shares	(5,834)	(5,834)
Total shareholders' equity	71,773	72,822
Total Liabilities and Shareholders' Equity	$ 117,951	$ 123,765