Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue
Total revenue	$ 13,314,000	$ 9,072,000	$ 63,510,000	$ 22,468,000
Operating expenses
Selling, general and administrative	8,632,000	12,493,000	26,383,000	29,322,000
Research and development	1,285,000	3,617,000	3,957,000	21,581,000
Total operating expenses	12,789,000	18,599,000	41,699,000	54,916,000
Income (loss) from operations	525,000	(9,527,000)	21,811,000	(32,448,000)
Other (expense) income
Interest expense	(2,729,000)	(2,526,000)	(8,010,000)	(7,402,000)
Interest income		12,000	2,000	234,000
Other income—related party	0	0	2,532,000	4,085,000
Other (expense) income	(25,000)	281,000	(395,000)	(412,000)
Total other (expense) income, net	(2,754,000)	(2,233,000)	(5,871,000)	(3,495,000)
Income (loss) before income taxes	(2,229,000)	(11,760,000)	15,940,000	(35,943,000)
Provision for income taxes	31,000	0	49,000	0
Net income (loss)	$ (2,260,000)	$ (11,760,000)	$ 15,891,000	$ (35,943,000)
Earnings (loss) per share
Basic	$ (0.08)	$ (0.43)	$ 0.58	$ (1.32)
Diluted	$ (0.08)	$ (0.43)	$ 0.46	$ (1.32)
Shares used in computing earnings (loss) per share
Basic	27,497	27,368	27,462	27,311
Diluted	27,497	27,368	34,206	27,311
Product Sales
Revenue
Revenue	$ 11,781,000	$ 9,072,000	$ 31,477,000	$ 22,468,000
Operating expenses
Cost of product sales, license revenue	2,031,000	$ 2,489,000	6,918,000	$ 4,013,000
License and Other Revenue
Revenue
Revenue	1,533,000		32,033,000
Operating expenses
Cost of product sales, license revenue	$ 841,000		$ 4,441,000