Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Operating Leases of Lessee Disclosure [Table Text Block]

As of December 31, 2015, future minimum lease payments under all operating leases were as follows (in thousands):

2016	$	835
2017		917
2018		818
2019		397
Total payments	$	2,967

Although certain of the operating lease agreements provide for escalating rent payments over the term of the lease, rent expense under these agreements is recognized on a straight-line basis. As of December 31, 2015, the Company has accrued approximately $112,000 of deferred rent related to these agreements, of which approximately $15,000 is reflected in current liabilities while the remainder is reflected in other long-term liabilities in the accompanying consolidated balance sheet. As of December 31, 2014, the Company had accrued approximately $180,000 of deferred rent related to its lease agreements, of which approximately $32,000 is reflected in current liabilities while the remainder is reflected in other long-term liabilities in the accompanying consolidated balance sheet.

As discussed in Note 5 - Discontinued Operations, in conjunction with the sale of its Grid division, the Company entered into a sublease with S&T for a portion of its corporate headquarters facility. As of December 31, 2015, the sublease was cancelled in conjunction with the Company's termination of its main headquarters leases as discussed in Note 3.

The components of net rent expense for all operating leases for the years ended December 31, 2015, 2014, and 2013, were as follows (in thousands):

	Year ended 31 December
	2015			2014			2013
Rent expense	$	1,260		$	1,483		$	1,527
Sublease rentals	(685		)	(202		)	—
Rent expense included in discontinued operations	—			(160		)	(145		)
Rent expense, net	$	575		$	1,121		$	1,382