UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 17,837	$ 16,564
Marketable securities	107,425	77,511
Accounts receivable	9,725	14,785
Inventories	6,030	6,157
Prepaid expenses and other current assets	6,859	8,958
Total current assets	147,876	123,975
Property and equipment, net	2,288	3,001
Goodwill	18,491	18,491
Intangible assets, net	69,339	92,289
Research and development tax credit receivable	6,168	5,272
Other non-current assets	24,844	10,249
Total assets	269,006	253,277
Current liabilities:
Current portion of long-term debt	107	111
Current portion of long-term related party payable	10,979	25,007
Accounts payable	11,399	7,477
Deferred revenue	1,720	2,007
Accrued expenses	20,698	50,926
Other current liabilities	2,116	1,011
Total current liabilities	47,019	86,539
Long-term debt, less current portion	114,382	156
Long-term related party payable, less current portion	27,713	73,918
Other non-current liabilities	14,150	7,084
Total liabilities	203,264	167,697
Shareholders’ equity:
Preferred shares, $0.01 nominal value; 50,000 shares authorized at September 30, 2018 and December 31, 2017, respectively; none issued or outstanding at September 30, 2018 and December 31, 2017, respectively	0	0
Ordinary shares, nominal value of $0.01; 500,000 shares authorized; 42,420 issued and 37,012 outstanding at September 30, 2018 and 41,463 issued and 39,346 outstanding at December 31, 2017	424	414
Treasury shares, at cost, 5,408 and 2,117 shares held at September 30, 2018 and December 31, 2017, respectively	(49,998)	(22,361)
Additional paid-in capital	433,097	393,478
Accumulated deficit	(294,130)	(262,685)
Accumulated other comprehensive loss	(23,651)	(23,266)
Total shareholders’ equity	65,742	85,580
Total liabilities and shareholders’ equity	$ 269,006	$ 253,277