CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 9,587	$ 19,475
Accounts receivable-net	29,965	29,890
Inventories-net	28,236	26,172
Income taxes receivable	152	0
Deferred income taxes	12,877	11,037
Other current assets	3,455	3,236
Total current assets	84,272	89,810
Property, plant and equipment - net	5,570	5,857
Deferred income taxes	5,146	6,280
Goodwill	6,852	6,852
Intangible assets - net	12,881	11,747
Other assets	2,861	3,219
Total Assets	117,582	123,765
Current liabilities:
Current portion of long-term debt	161	159
Accounts payable	16,735	21,216
Accrued salaries and benefits	5,746	6,397
Accrued expenses	2,746	4,467
Customer deposits	886	1,380
Deferred service revenue	14,636	12,522
Income taxes payable	0	547
Total current liabilities	40,910	46,688
Long-term debt	1,004	1,084
Other long-term liabilities	3,460	3,030
Liabilities of discontinued operations	389	141
Liabilities Total	45,763	50,943
Shareholders' Equity:
Preferred stock, $.02 par value, 1,000,000 shares authorized
Common stock, $.02 par value, 29,000,000 shares authorized; 17,229,003 and 17,038,405 shares issued; 15,521,316 and 15,330,718 outstanding	344	341
Capital in excess of par value	43,431	43,661
Retained earnings	34,431	34,758
Accumulated other comprehensive loss	(553)	(104)
Treasury stock, at cost, 1,707,687 and 1,707,284 shares	(5,834)	(5,834)
Total shareholders' equity	71,819	72,822
Total Liabilities and Shareholders' Equity'	$ 117,582	$ 123,765