Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 27,423	$ 52,300
Short-term investments	974	281
Trade accounts receivable, less allowances of $1,529 and $1,619, respectively	47,217	41,100
Deferred tax asset, net	2,115	2,113
Other current assets	9,933	8,067
Total current assets	87,662	103,861
Property and equipment, net	32,250	24,661
Goodwill	412,842	402,220
Intangibles, net	51,656	49,371
Indefinite-lived intangibles	30,887	30,887
Deferred tax asset, net	23,191	18,758
Other assets	5,766	4,553
Total assets	644,254	634,311
Current liabilities:
Accounts payable and accrued liabilities	23,099	40,121
Accrued payroll and related benefits	6,229	5,280
Current portion of long term debt and capital lease obligations, net of discount of $0 and $7, respectively	617	936
Current deferred rent	289	268
Contingent liability for accrued earn-out acquisition consideration	1,887	887
Deferred revenue	20,612	22,192
Other current liabilities	102	102
Total current liabilities	52,835	69,786
Revolving line of credit	150,465	120,465
Long term debt and capital lease obligations, less current portion, net of discount of $7	43	593
Other liabilities	2,447	2,179
Contingent liability for accrued earn-out acquisition consideration	8,193	4,480
Deferred revenue	1,803	2,496
Long term deferred rent	1,901	2,091
Total liabilities	$ 217,687	$ 202,090
Commitments and Contingencies
Stockholders’ equity:
Preferred stock, $0.10 par value, 500,000 shares authorized, no shares issued and outstanding at March 31, 2015 and December 31, 2014	$ 0	$ 0
Common stock, $0.10 par value, 60,000,000 shares authorized, 35,271,413 issued and outstanding, respectively, at March 31, 2015 and 36,232,074 issued and 36,191,565 outstanding at December 31, 2014	3,494	3,619
Additional paid-in capital	103,547	137,101
Treasury stock (no shares as of March 31, 2015 and 40,509 shares as of December 31, 2014)	0	(76)
Retained earnings	341,709	309,726
Accumulated other comprehensive loss	(22,183)	(18,149)
Total stockholders’ equity	426,567	432,221
Total liabilities and stockholders’ equity	$ 644,254	$ 634,311

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- 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.