Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 90,642	$ 138,909
Accounts receivable, net	3,972	4,864
Other current assets	2,256	4,328
Total current assets	96,870	148,101
Property and equipment, net	4,122	4,760
Intangible assets, net	30,369	30,581
Goodwill	13,074	13,074
Other assets	1,522	2,470
Total assets	145,957	198,986
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	3,359	567
Accrued expenses	9,555	15,790
Current portion of debt, net	2,445
Total current liabilities	15,359	16,357
Long-term debt, net	47,242	49,453
Contingent consideration liability	16,800	14,200
Deferred tax liability	1,575	13,010
Other liabilities	1,528	1,204
Total liabilities	82,504	94,224
Commitments and Contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value Authorized - 20,000 shares; issued and outstanding - none	0	0
Common stock, $0.0013 par value Authorized - 160,000 shares; issued - 71,645 shares in 2017 and 70,390 shares in 2016	93	92
Additional paid-in capital	609,829	598,069
Treasury stock at cost, 200 shares of common stock	(2,741)	(2,741)
Subscription receivable	(2,109)
Accumulated other comprehensive loss	(33)	(85)
Accumulated deficit	(541,586)	(490,573)
Total stockholders’ equity	63,453	104,762
Total liabilities and stockholders’ equity	$ 145,957	$ 198,986