CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 193,451	$ 394,590
Receivables from licensees	13,552	21,648
Notes receivable	52,583	63,042
Inventory, net	39,773	18,942
Prepaid and other current assets	14,536	18,995
Total current assets	313,895	517,217
Property, Plant and Equipment, Net	5,520	7,387
Royalty rights - at fair value	266,196	376,510
Investments	82,267
Notes and other receivables, long-term	827	771
Long-term deferred tax assets	0	1,539
Intangible assets, net	23,298	51,319
Other assets	24,116	8,993
Total assets	716,119	963,736
Current liabilities:
Accounts payable	17,370	13,142
Accrued liabilities	28,306	39,312
Accrued Income Taxes, Current	17	16
Total current liabilities	45,693	52,470
Convertible notes payable	27,250	124,644
Other long-term liabilities	49,898	56,843
Total liabilities	122,841	233,957
Commitments and Contingencies
Stockholders' equity (deficit):
Preferred stock, par value $0.01 per share, 10,000 shares authorized; no shares issued and outstanding	0	0
Common stock, par value $0.01 per share, 350,000 shares authorized; 124,303 and 136,513 shares issued and outstanding at December 31, 2018 and 2017, respectively	1,243	1,365
Additional paid-in capital	(78,875)	(98,030)
Treasury Stock, Value	0	(2,103)
Retained earnings	670,832	828,547
Total stockholders' equity	593,200	729,779
Noncontrolling Interest in Variable Interest Entity	78	0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	593,278	729,779
Total liabilities and stockholders' equity	$ 716,119	$ 963,736