Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 37,536	$ 45,634
Restricted cash	6,884	13,400
Trade accounts receivable, net of allowances of $842 and $1,012, as of December 31, 2022 and 2021, respectively	13,866	17,002
Prepaid expenses	4,312	6,574
Inventory, net	12,752	18,548
Other current assets	6,765	999
Total current assets	82,115	102,157
Property and equipment, net of accumulated depreciation	2,603	4,382
Intangible assets, net of accumulated amortization	305,087	335,980
Right of use asset, net of accumulated amortization	5,287	6,751
Restricted cash	255	6,189
Other assets	248	11
Total assets	395,595	455,470
Current liabilities:
Accounts payable	9,809	10,845
Accrued expenses and other current liabilities	23,680	28,605
Current portion of liability related to sale of future royalties		4,460
Current portion of lease liability	1,545	8,186
Current portion of acquired contingent consideration	2,532	1,929
Deferred revenue	384
Total current liabilities	37,950	54,025
Convertible senior notes	167,031	151,025
Derivative liability	0	37
Non-current portion of acquired contingent consideration	38,668	47,671
Non-current portion of loans payable		27,645
Deferred tax liability	44,202	13,930
Non-current portion of lease liability	4,341	4,086
Other non-current liabilities	9,781	5,914
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value per share. Authorized 1,000,000 shares at December 31, 2022 and 2021; no shares issued as of December 31, 2022 and 2021
Common stock, $0.001 par value per share. Authorized 61,666,666 shares at December 31, 2022 and 2021; issued 24,343,239 and 13,249,802 shares, including those held in treasury, as of December 31, 2022 and 2021, respectively	24	13
Treasury stock at cost (5,543 shares at December 31, 2022 and December 31, 2021)	(638)	(638)
Additional paid-in capital	1,029,881	1,023,136
Accumulated deficit	(936,273)	(870,357)
Accumulated other comprehensive loss	628	(1,017)
Total stockholders’ equity	93,622	151,137
Total liabilities and stockholders’ equity	$ 395,595	$ 455,470