Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

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,
2017	$	1,279
2018	1,323
2019	1,369
2020	16
Total minimum lease payments	$	3,987

Net assets of IP Fund [Table Text Block]

At December 31, 2016 and 2015, the Acacia IP Fund net assets and net income (loss) were primarily comprised of the following (in thousands):

	2016		2015
Cash and other assets	$	1,118	$	7,740
Patents, net of accumulated amortization	—		147
Investments - noncurrent	2,933		5,829
Total assets	$	4,051	$	13,716
Accrued expenses and contributions	$	2,394	$	7,436
Net assets	$	1,657	$	6,280

	2016			2015
Revenues	$	16		$	18
Operating expenses	572			1,617
Loss from operations	(556		)	(1,599		)
Net gain (loss) in equity method investments	(1,013		)	6,922
Net income (loss)	$	(1,569	)	$	5,323