CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 5,968	$ 10,167
Accounts receivable - net	32,383	31,445
Inventories-net	27,227	25,922
Deferred income taxes	5,689	4,512
Other current assets	5,225	4,597
Total current assets	76,492	76,643
Property, plant and equipment - net	6,070	6,135
Deferred income taxes	11,235	11,357
Goodwill	17,167	17,167
Intangible assets - net	22,825	22,952
Other assets	3,158	3,043
Total Assets	136,947	137,297
Current liabilities:
Current portion of long-term debt	3,174	3,173
Borrowings under line of credit	1,227	5,000
Accounts payable	16,103	19,676
Accrued salaries and benefits	5,509	6,429
Accrued expenses	5,536	6,578
Customer deposits	6,143	2,345
Deferred service revenue	18,635	12,695
Income taxes payable	321	475
Total current liabilities	56,648	56,371
Long-term debt	2,548	2,566
Other long-term liabilities	8,739	8,847
Total liabilities	67,935	67,784
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; 17,240,340 and 17,274,708 shares issued, 15,532,231 and 15,566,599 outstanding at March 31, 2015 and December 31, 2014, respectively	345	346
Capital in excess of par value	44,994	44,854
Retained earnings	31,080	31,465
Accumulated other comprehensive loss	(1,571)	(1,316)
Treasury stock, at cost, 1,708,109 shares	(5,836)	(5,836)
Total shareholders' equity	69,012	69,513
Total Liabilities and Shareholders' Equity	$ 136,947	$ 137,297