Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue
Total revenue	$ 16,059,000	$ 5,805,000	$ 50,196,000	$ 13,396,000
Operating expenses
Selling, general and administrative	8,996,000	8,677,000	17,751,000	16,829,000
Research and development	1,114,000	8,781,000	2,672,000	17,964,000
Total operating expenses	12,266,000	18,266,000	28,910,000	36,317,000
Income (loss) from operations	3,793,000	(12,461,000)	21,286,000	(22,921,000)
Other (expense) income
Interest expense	(2,672,000)	(2,470,000)	(5,281,000)	(4,876,000)
Interest income		32,000	2,000	222,000
Other income—related party	2,532,000	0	2,532,000	4,085,000
Other income (expense)	80,000	(693,000)	(370,000)	(693,000)
Total other (expense) income, net	(60,000)	(3,131,000)	(3,117,000)	(1,262,000)
Income (loss) before income taxes	3,733,000	(15,592,000)	18,169,000	(24,183,000)
Provision for income taxes	0	0	18,000	0
Net income (loss)	$ 3,733,000	$ (15,592,000)	$ 18,151,000	$ (24,183,000)
Earnings (loss) per share
Basic	$ 0.14	$ (0.57)	$ 0.66	$ (0.89)
Diluted	$ 0.11	$ (0.57)	$ 0.53	$ (0.89)
Shares used in computing earnings (loss) per share
Basic	27,461	27,326	27,444	27,282
Diluted	34,201	27,326	34,192	27,282
Product Sales
Revenue
Revenue	$ 11,059,000	$ 5,805,000	$ 19,696,000	$ 13,396,000
Operating expenses
Cost of product sales, license revenue	2,156,000	$ 808,000	4,887,000	$ 1,524,000
License Revenue
Revenue
Revenue	$ 5,000,000		30,500,000
Operating expenses
Cost of product sales, license revenue			$ 3,600,000