Recent Accounting Pronouncements Details (Tables)

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

The cumulative effect of applying the new revenue standard, primarily relating to financing components of contracts executed in prior periods and estimates of variable consideration for sales and usage based royalty agreements executed in prior periods, was as follows (in thousands):

	Balance at December 31, 2017			Adjustments Due to ASC 606		Balance at January 1, 2018
Balance Sheets:
Accounts receivable	$	153		$	4,542	$	4,695
Royalties and contingent legal fees payable	1,601			1,728		3,329
Accumulated deficit	(320,018		)	2,506		(317,512		)
Noncontrolling interests	1,358			308		1,666

The impact of the adoption of the new accounting standard on the condensed consolidated balance sheet and statement of operations was as follows (in thousands):

	September 30, 2018
	Balance as Reported		Balance under Legacy GAAP		Effect of Change
Balance Sheets:
Accounts receivable	$	10,572	$	7,250	$	3,322
Royalties and contingent legal fees payable	7,193		6,011		1,182
	Three Months Ended September 30, 2018
	Balance as Reported		Balance under Legacy GAAP		Effect of Change
Statements of Operations:
Revenues	$	13,725	$	15,798	$	(2,073	)
Inventor royalties	1,181		1,050		131
Contingent legal fees	2,949		3,598		(649		)
	Nine Months Ended September 30, 2018
	Balance as Reported		Balance under Legacy GAAP		Effect of Change
Statements of Operations:
Revenues	$	82,303	$	83,583	$	(1,280	)
Inventor royalties	$	24,166	$	23,718	$	448
Contingent legal fees	$	19,745	$	20,339	$	(594	)