Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Minimum annual rental commitments for operating leases of continuing operations having initial or remaining noncancellable lease terms in excess of one year are as follows (in thousands):

Years ending December 31,
2016	$	1,459
2017	1,557
2018	1,612
2019	1,669
2020	166
Total minimum lease payments	$	6,463

Net assets of IP Fund [Table Text Block]

At December 31, 2015 and 2014, the Acacia IP Fund net assets and net loss were primarily comprised of the following (in thousands):

	2015		2014
Cash and other assets	$	7,740	$	2,823
Patents, net of accumulated amortization	147		967
Investments - noncurrent	5,829		8,281
Total assets	$	13,716	$	12,071
Accrued expenses and contributions	$	7,436	$	1,876
Total liabilities	7,436		1,876
Net assets	$	6,280	$	10,195

	2015			2014
Revenues	$	18		$	1,560
Operating expenses	1,617			1,724
Gain from operations	(1,599		)	(164		)
Net gain (loss) in equity method investments	6,922			(1,807		)
Net income (loss)	$	5,323		$	(1,971	)