Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

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,
2015	$	1,564
2016	1,595
2017	1,557
2018	1,612
2019	1,669
Thereafter	166
Total minimum lease payments	$	8,163

Net assets of IP Fund [Table Text Block]

At December 31, 2014 and 2013, the Acacia IP Fund net assets and net loss were primarily comprised of the following (in thousands):

	2014		2013
Cash and other assets	$	2,823	$	2,927
Patents, net of accumulated amortization	967		1,373
Investments - noncurrent	8,281		11,120
Total assets	$	12,071	$	15,420
Accrued expenses and contributions	$	1,876	$	2,437
Total liabilities	1,876		2,437
Net assets	$	10,195	$	12,983

	2014			2013
Revenues	$	1,560		$	1,448
Operating expenses	1,724			6,907
Gain from operations	(164		)	(5,459		)
Net loss in equity method investments	(1,807		)	(542		)
Net loss	$	(1,971	)	$	(6,001	)