Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Net assets of IP Fund [Table Text Block]

At December 31, 2013 and 2012, the Acacia IP Fund net assets were primarily comprised of the following (in thousands):

	December 31, 2013		December 31, 2012
Cash and other assets	$	2,927	$	2,542
Patents, net of accumulated amortization	1,373		7,144
Investments - noncurrent	11,120		11,617
Total assets	$	15,420	$	21,303
Accrued expenses and contributions	$	2,437	$	5,016
Accrued patent acquisition costs	—		500
Total liabilities	2,437		5,516
Net assets	$	12,983	$	15,787

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):

Year
2014	$	1,442
2015	1,553
2016	918
2017	318
2018	324
Thereafter	498
Total minimum lease payments	$	5,053