CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 19,475	$ 7,742
Accounts receivable-net	29,890	30,680
Inventories-net	26,172	25,260
Deferred income taxes	11,037	10,240
Other current assets	3,236	3,088
Escrow receivable	828	0
Total current assets	90,638	77,010
Property, plant and equipment - net	5,857	5,259
Deferred income taxes	6,280	5,605
Goodwill	6,852	6,852
Intangible assets - net	11,747	15,888
Other assets	2,391	2,147
Assets of discontinued operations	0	3,182
Total Assets	123,765	115,943
Current liabilities:
Current portion of long-term debt	159	1,494
Accounts payable	21,216	15,773
Accrued salaries and benefits	6,397	7,002
Accrued expenses	4,467	2,609
Customer deposits	1,380	1,137
Deferred service revenue	12,522	10,412
Income taxes payable	547	138
Total current liabilities	46,688	38,565
Long-term debt	1,084	1,249
Other long-term liabilities	3,030	2,837
Liabilities of discontinued operations	141	925
Commitments and Contingencies	0	0
Shareholders' Equity:
Preferred stock, $.02 par value, 1,000,000 shares authorized	0	0
Common stock, $.02 par value, 29,000,000 shares authorized; 17,038,405 and 16,863,868 shares issued; 15,330,718 and 15,156,584 outstanding	341	337
Capital in excess of par value	43,661	42,990
Retained earnings	34,758	35,073
Accumulated other comprehensive loss	(104)	(201)
Treasury stock, at cost, 1,707,687 and 1,707,284 shares	(5,834)	(5,832)
Total shareholders' equity	72,822	72,367
Total Liabilities and Shareholders' Equity	$ 123,765	$ 115,943