CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 50,015	$ 55,066
Short-term investments	15,793	82,282
Accounts receivable, net of allowance of $2,422 and $1,812, respectively	13,806	12,134
Prepaid expenses and other current assets	3,103	2,096
Total current assets	82,717	151,578
Property and equipment, net	7,479	6,259
Goodwill	188,184	56,342
Intangible assets, net	24,875	15,265
Other assets	415	293
Total assets	303,670	229,737
Current liabilities:
Accounts payable	2,236	2,213
Accrued expenses and other current liabilities	7,981	8,197
Accrued compensation	8,856	6,326
Long-term bank and other debt-current	2,000	1,250
Total current liabilities	21,073	17,986
Other liabilities	7,609	6,775
Deferred taxes	1,694	1,185
Long term bank and other debt, net	42,424	25,227
Commitments and contingencies
Stockholders' equity:
Common stock, $0.001 par value; 75,000,000 shares authorized as of December 31, 2016 and 2015; 46,201,563 shares and 38,524,922 shares issued and outstanding as of December 31, 2016 and 2015, respectively	46	38
Additional paid-in capital	435,551	309,078
Accumulated deficit	(204,726)	(130,510)
Accumulated other comprehensive loss	(1)	(42)
Total stockholders' equity	230,870	178,564
Total liabilities and stockholders' equity	$ 303,670	$ 229,737