CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 5,470	$ 9,055
Accounts receivable - net	34,241	30,705
Inventories-net	24,800	26,237
Note receivable	3,794	3,510
Income taxes receivable	0	261
Other current assets	4,350	4,027
Assets of discontinued operations	462	462
Total current assets	73,117	74,257
Property, plant and equipment - net	9,042	7,035
Deferred income taxes	17,056	17,417
Goodwill	11,051	11,051
Intangible assets - net	11,411	10,966
Other assets	3,861	3,785
Total Assets	125,538	124,511
Current liabilities:
Current portion of long-term debt	189	187
Borrowings of line of credit	1,000	0
Accounts payable	17,460	16,687
Accrued salaries and benefits	5,297	5,470
Accrued expenses	4,492	4,682
Customer deposits and deferred service revenue	17,807	19,814
Total current liabilities	46,245	46,840
Long-term debt	331	379
Other long-term liabilities	7,705	7,712
Total liabilities	54,281	54,931
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; 17,493,293 and 17,479,454 shares issued, 15,785,184 and 15,771,345 outstanding at March 31, 2017 and December 31, 2016, respectively	350	350
Capital in excess of par value	46,392	46,203
Retained earnings	33,804	32,357
Accumulated other comprehensive loss	(3,453)	(3,494)
Treasury stock, at cost, 1,708,109 shares	(5,836)	(5,836)
Total shareholders' equity	71,257	69,580
Total Liabilities and Shareholders' Equity	$ 125,538	$ 124,511

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.