Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 45,634	$ 71,369
Restricted cash	13,400	12,917
Trade accounts receivable, net of allowances of $1,012 and $1,266, as of December 31, 2021 and 2020, respectively	17,002	20,193
Prepaid expenses	6,574	14,807
Inventory, net	18,548	28,677
Assets held for sale		71,795
Other current assets	999	1,577
Total current assets	102,157	221,335
Property and equipment, net of accumulated depreciation	4,382	7,263
Intangible assets, net of accumulated amortization	335,980	366,981
Right of use asset, net of accumulated amortization	6,751	18,481
Restricted cash	6,189	18,609
Other assets	11	11
Total assets	455,470	632,680
Current liabilities:
Accounts payable	10,845	12,155
Accrued expenses and other current liabilities	28,605	38,167
Current portion of loans payable		68,631
Current portion of liability related to sale of future royalties	4,460	8,731
Current portion of lease liability	8,186	7,944
Current portion of acquired contingent consideration	1,929	1,624
Total current liabilities	54,025	137,252
Convertible senior notes	151,025	137,619
Derivative liability	37	1,193
Non-current portion of acquired contingent consideration	47,671	46,576
Non-current portion of loans payable	27,645	28,555
Deferred tax liability	13,930	19,116
Non-current portion of liability related to sale of future royalties		6,526
Non-current portion of lease liability	4,086	17,200
Other non-current liabilities	5,914	688
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value per share. Authorized 1,000,000 shares at December 31, 2021 and 2020; no shares issued as of December 31, 2021 and 2020
Common stock, $0.001 par value per share. Authorized 61,666,666 shares at December 31, 2021 and 2020; issued 13,249,802 and 9,475,631 shares, including those held in treasury, as of December 31, 2021 and 2020, respectively	13	9
Treasury stock at cost (5,543 shares at December 31, 2021 and December 31, 2020)	(638)	(638)
Additional paid-in capital	1,023,136	1,007,790
Accumulated deficit	(870,357)	(766,403)
Accumulated other comprehensive loss	(1,017)	(2,803)
Total stockholders’ equity	151,137	237,955
Total liabilities and stockholders’ equity	$ 455,470	$ 632,680