Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 60,158	$ 50,714
Accounts receivable	1,339	2,354
Prepaid expenses	4,475	3,531
Inventory	675	1,093
Income tax receivable	692	6,743
Current assets before funds held for clients	67,339	64,435
Funds held for clients	858,244	696,703
Total current assets	925,583	761,138
Property and equipment, net	96,848	58,858
Deposits and other assets	1,215	1,286
Goodwill	51,889	51,889
Intangible assets, net	1,871	3,484
Deferred income tax assets, net	1,207
Total assets	1,078,613	876,655
Current liabilities:
Accounts payable	3,737	4,899
Accrued commissions and bonuses	8,003	8,687
Accrued payroll and vacation	4,769	2,898
Deferred revenue	5,230	3,726
Current portion of long-term debt	1,113	886
Accrued expenses and other current liabilities	17,798	9,735
Current liabilities before client funds obligation	40,650	30,831
Client funds obligation	858,244	696,703
Total current liabilities	898,894	727,534
Deferred income tax liabilities, net		641
Long-term deferred revenue	34,481	25,310
Net long-term debt, less current portion	28,711	24,856
Total long-term liabilities	63,192	50,807
Commitments and contingencies
Stockholders' equity:
Common stock, $0.01 par value (100,000,000 shares authorized, 58,453,283 and 57,119,873 shares issued at December 31, 2016 and 2015, respectively; 57,331,022 and 57,119,873 shares outstanding at December 31, 2016 and 2015, respectively)	585	571
Additional paid in capital	95,452	71,135
Retained earnings	70,448	26,608
Treasury stock, at cost (1,122,261 and 0 shares at December 31, 2016 and 2015, respectively)	(49,958)
Total stockholders' equity	116,527	98,314
Total liabilities and stockholders' equity	$ 1,078,613	$ 876,655