Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 6,789	$ 6,344
Trade accounts receivable, less allowance for doubtful accounts of $165 in 2016 and $141 in 2015	10,449	8,786
Other receivables	296	326
Inventories	7,655	7,790
Prepaid income taxes	260	559
Prepaid expenses, other	962	897
Total current assets	26,411	24,702
Property, plant and equipment, net of accumulated depreciation of $8,289 in 2016 and $8,154 in 2015	5,588	5,995
Goodwill	7,508	7,437
Intangible assets, net	8,636	8,986
Other assets	90	88
Deferred income taxes	212	211
TOTAL ASSETS	48,445	47,419
Current liabilities:
Current maturities of notes payable	60	65
Accounts payable	3,048	3,033
Accrued compensation and related expenses	3,860	3,969
Other accrued expenses	1,086	811
Accrued product warranties	232	223
Dividends payable	637	637
Deferred revenue	1,436	862
Total current liabilities	10,359	9,600
Revolving lines of credit	2,350	2,793
Notes payable	65	93
Obligations to former employees	35	34
Deferred income taxes	1,051	1,227
Accrued income taxes	201	201
Total noncurrent liabilities	3,702	4,348
Total liabilities	14,061	13,948
Shareholders' equity:
Capital stock – undesignated. Authorized 3,000,000 shares; none issued and outstanding in 2016 and 2015
Common stock – $0.10 par value. Authorized 22,000,000 shares; issued and outstanding 5,798,103 shares in 2016 and 5,792,126 shares in 2015	580	579
Additional paid-in capital	7,829	7,412
Retained earnings	30,628	30,700
Accumulated other comprehensive loss	(4,653)	(5,220)
Total shareholders' equity	34,384	33,471
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 48,445	$ 47,419