Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 125,522	$ 95,615
Accounts receivable, net of allowance of $2,692 and $3,595 in 2017 and 2016, respectively	92,231	100,285
Prepaid expenses	9,151	10,181
Other current assets	1,169	937
Total current assets	228,073	207,018
Property and equipment, net	15,493	17,424
Goodwill, net	62,248	62,228
Deferred income taxes	1,877	2,867
Other assets	7,304	7,603
Total assets	314,995	297,140
Current liabilities:
Accounts payable	14,028	12,052
Accrued compensation and benefits	15,826	20,700
Accrued and other liabilities	12,105	12,510
Deferred revenue	75,068	63,457
Income taxes payable	7,228	8,924
Total current liabilities	124,255	117,643
Deferred rent, long-term	2,136	2,932
Deferred income taxes	69	53
Other non-current liabilities	13,579	7,146
Commitments and contingencies (Note 5)
Shareholders' equity:
Preferred stock, no par value; 20,000,000 shares authorized, no shares issued or outstanding in 2017 and 2016
Common stock, $.01 par value; 200,000,000 shares authorized; 67,776,138 and 70,233,955 shares issued and outstanding at December 31, 2017 and December 31, 2016, respectively	678	702
Retained earnings	186,117	184,558
Accumulated other comprehensive loss	(11,839)	(15,894)
Total shareholders' equity	174,956	169,366
Total liabilities and shareholders' equity	$ 314,995	$ 297,140