CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 10,296	$ 10,015
Accounts receivable-net	34,152	30,688
Inventories-net	22,844	24,465
Income tax refund	80	0
Deferred income taxes	4,496	3,747
Other current assets	3,278	3,418
Total current assets	75,146	72,333
Property, plant and equipment - net	5,719	5,494
Deferred income taxes	14,555	15,083
Goodwill	6,852	6,852
Intangible assets - net	15,601	15,071
Other assets	2,832	2,675
Total Assets	120,705	117,508
Current liabilities:
Current portion of long-term debt	153	166
Accounts payable	17,937	17,200
Accrued salaries and benefits	5,344	6,663
Accrued expenses	3,180	2,701
Customer deposits	992	1,071
Deferred service revenue	16,285	12,170
Income taxes payable	0	185
Total current liabilities	43,891	40,156
Long-term debt	876	918
Other long-term liabilities	3,672	3,714
Liabilities Total	48,439	44,788
Commitments and contingencies
Shareholders' Equity:
Preferred stock, $.02 par value, 1,000,000 shares authorized	0	0
Common stock, $.02 par value, 29,000,000 shares authorized; 17,354,673 and 17,301,925 shares issued; 15,646,564 and 15,593,816 outstanding	347	344
Capital in excess of par value	44,157	43,635
Retained earnings	34,127	35,116
Accumulated other comprehensive loss	(529)	(539)
Treasury stock, at cost, 1,708,109 shares	(5,836)	(5,836)
Total shareholders' equity	72,266	72,720
Total Liabilities and Shareholders' Equity'	$ 120,705	$ 117,508