CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 5,762	$ 6,600
Accounts receivable-net	35,911	30,077
Inventories-net	22,394	21,746
Other current assets	5,311	4,209
Total current assets	69,378	62,632
Property, plant and equipment – net	11,015	10,755
Deferred income taxes	13,887	13,809
Goodwill	11,051	11,051
Intangible assets – net	12,418	12,070
Other assets	4,391	4,307
Total Assets	122,140	114,624
Current liabilities:
Current portion of long-term debt	199	195
Borrowings of line of credit	3,950	950
Accounts payable	17,537	14,332
Accrued salaries and benefits	5,396	6,275
Accrued expenses	3,784	3,926
Customer deposits and deferred service revenue	11,275	10,241
Total current liabilities	42,141	35,919
Long-term debt	133	185
Deferred service revenue	3,649	2,668
Other long-term liabilities	6,559	6,866
Total liabilities	52,482	45,638
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; 17,686,224 and 17,677,161 shares issued, 15,978,115 and 15,969,052 outstanding at March 31, 2018 and December 31, 2017, respectively	354	354
Capital in excess of par value	48,530	48,349
Retained earnings	29,617	29,549
Accumulated other comprehensive loss	(3,007)	(3,430)
Treasury stock, at cost, 1,708,109 shares	(5,836)	(5,836)
Total shareholders’ equity	69,658	68,986
Total Liabilities and Shareholders’ Equity	$ 122,140	$ 114,624