CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Jun. 30, 2016		Dec. 31, 2015
Current assets:
Cash and cash equivalents		$ 115,854	[1],[2]	$ 218,883	[3]
Short-term restricted cash	[1]	105,938		0
Short-term investments		0	[1]	1,469	[3]
Receivables from licensees and other		2,881	[1]	0	[3]
Deferred tax assets		0	[1]	981	[3]
Notes receivable		95,359	[1]	58,398	[3]
Prepaid and other current assets		673	[1]	2,979	[3]
Total current assets		320,705	[1]	282,710	[3]
Property and equipment, net		18	[1]	31	[3]
Investments-other		75,000		0
Royalty rights		339,338	[1]	399,204	[3]
Notes and other receivables, long-term		276,823	[1]	306,507	[3]
Long-term deferred tax assets		25,707	[1]	16,172	[3]
Other assets		11,600	[1]	7,581	[3]
Total assets		1,049,191	[1]	1,012,205	[3]
Current liabilities:
Accounts payable		1,073	[1]	394	[3]
Accrued liabilities		11,738	[1]	8,009	[3]
Accrued Income Taxes, Current		9,793	[1]	3,372	[3]
Term loan payable	[1]	0		24,966
Total current liabilities		22,604	[1]	36,741	[3]
Convertible notes payable		232,847	[1]	228,862	[3]
Other long-term liabilities		55,088	[1]	50,650	[3]
Total liabilities		310,539	[1]	316,253	[3]
Commitments and contingencies (Note 8)			[1]		[3]
Stockholders' deficit:
Preferred stock, par value $0.01 per share, 10,000 shares authorized; no shares issued and outstanding		0	[1]	0	[3]
Common stock, par value $0.01 per share, 350,000 shares authorized; 165,541 and 164,287 shares issued and outstanding at June 30, 2016 and December 31, 2015, respectively		1,655	[1]	1,643	[3]
Additional paid-in capital		(116,542)	[1]	(117,983)	[3]
Accumulated other comprehensive income		0	[1]	2,256	[3]
Retained earnings		853,539	[1]	810,036	[3]
Total stockholders' equity		738,652	[1]	695,952	[3]
Total liabilities and stockholders' equity		$ 1,049,191	[1]	$ 1,012,205	[3]

[1] unaudited

[2] unaudited

[3] Note 1