Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 34,664	$ 33,021
Trade accounts receivable, less allowance for doubtful accounts of $165 and $169 in 2017 and 2016, respectively	13,524	10,864
Unbilled revenue	1,923	1,546
Prepaid expenses	2,237	1,585
Income tax receivable	24	14
Other current assets	11	35
Total current assets	52,383	47,065
Property and equipment, net	12,133	11,806
Intangible assets, net	2,977	3,124
Goodwill	57,881	57,861
Other	685	768
Total assets	126,059	120,624
Current liabilities:
Current portion of notes payable	2,499	2,683
Accounts payable	817	765
Accrued wages, bonus and profit sharing	3,306	4,543
Accrued expenses	2,658	3,069
Current portion of capital lease obligations	101	82
Income taxes payable	3,563	662
Dividends payable	4,218	4,213
Deferred revenue	17,189	15,497
Total current liabilities	34,351	31,514
Notes payable, net of current portion	225	857
Deferred income taxes	5,275	4,861
Other long term liabilities	636	586
Total liabilities	40,487	37,818
Shareholders’ equity:
Preferred stock, $0.01 par value; authorized 2,000,000 shares, none issued	0	0
Additional paid-in capital	48,787	46,725
Retained earnings	73,810	71,507
Accumulated other comprehensive loss	(2,508)	(2,626)
Treasury stock, at cost; 4,837,258 Class A shares, 777,412 Class B shares in 2017 and 4,765,691 Class A shares, 768,944 Class B shares in 2016	(34,547)	(32,830)
Total shareholders’ equity	85,572	82,806
Total liabilities and shareholders’ equity	126,059	120,624
Common Class A [Member]
Shareholders’ equity:
Common stock, value	26	26
Common Class B [Member]
Shareholders’ equity:
Common stock, value	$ 4	$ 4