Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 37,870	$ 65,064
Marketable securities	122,084	79,738
Accounts receivable (net of allowance of $35 at both March 31, 2016 and December 31, 2015)	4,865	6,978
Inventories	5,312	4,155
Research and development tax credit receivable - current portion	368	2,382
Prepaid expenses and other current assets	9,975	7,989
Total current assets	180,474	166,306
Property and equipment, net	3,100	2,616
Goodwill	24,055	18,491
Intangible assets, net	32,911	15,825
Research and development tax credit receivable - less current portion	2,490	0
Income tax deferred charge	11,964	11,581
Other	16	158
Total assets	255,010	214,977
Current liabilities:
Current portion of long-term debt	454	434
Current portion of long-term related party contingent consideration payable	28,403	28,614
Accounts payable	17,674	10,565
Deferred revenue	4,611	5,121
Accrued expenses	3,346	3,598
Income taxes	5,844	323
Other	611	133
Total current liabilities	60,943	48,788
Long-term debt, less current portion	710	684
Long-term related party contingent consideration payable, less current portion	102,656	94,079
Long-term related party payable	15,000	0
Deferred taxes	3,507	1,351
Other	2,495	2,210
Total liabilities	185,311	147,112
Shareholders' equity:
Ordinary shares, nominal value of 0.122 euro per share; 53,178 shares authorized; 41,241 issued and outstanding at March 31, 2016 and December 31, 2015, respectively	6,331	6,331
Additional paid-in capital	366,459	363,984
Accumulated deficit	(286,169)	(279,793)
Accumulated other comprehensive loss	(16,922)	(22,657)
Total shareholders' equity	69,699	67,865
Total liabilities and shareholders' equity	$ 255,010	$ 214,977