Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 238,431	$ 714,594
Accounts receivable	6,062	0
Deferred cost of goods sold	643	0
Income tax receivable	6,110	0
Prepaid expenses and other current assets	439	1,669
Total current assets	251,685	716,263
Property and equipment, net	26,207	25,171
Escrow receivable	75,058	75,000
Deferred tax asset	443	443
Total assets	353,393	816,877
Current liabilities:
Accounts payable	3,870	2,149
Accrued expenses	2,306	4,180
Contract liabilities	0	4,500
Income taxes payable	22	49,361
Total current liabilities	6,198	60,190
Long-term liabilities:
Income tax payable - non-current	1,056	1,056
Total liabilities	7,254	61,246
Shareholders’ equity:
Preferred stock, no par value, unlimited shares authorized, no shares outstanding	0	0
Common stock, no par value, unlimited shares authorized, 29,224,538 and 41,519,633 shares outstanding at September 30, 2020 and December 31, 2019, respectively	251,781	324,808
Accumulated other comprehensive loss	(428)	(106)
Retained earnings	94,786	430,929
Total shareholders’ equity	346,139	755,631
Total liabilities and shareholders’ equity	$ 353,393	$ 816,877