Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies [Abstract]

Net assets of IP Fund [Table Text Block]

At December 31, 2012 and 2011, the Acacia IP Fund net assets were primarily comprised of the following (in thousands):

	December 31, 2012		December 31, 2011
Cash and other assets	$	2,542	$	1,109
Patents, net of accumulated amortization	7,144		4,277
Investments - noncurrent	11,617		3,944
Total assets	$	21,303	$	9,330
Accrued expenses and contributions	$	5,016	$	4,495
Accrued patent acquisition costs	500		500
Total liabilities	5,516		4,995
Net assets	$	15,787	$	4,335

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
2013	$	1,078
2014	1,130
2015	1,138
2016	735
2017	320
Thereafter	822
Total minimum lease payments	$	5,223