Subsequent Events	3 Months Ended
Mar. 31, 2015
Subsequent Events [Abstract]
Subsequent Events	NOTE 11—SUBSEQUENT EVENTS Repayment of GridSense loan The Company’s GridSense subsidiary is a party to a Loan and Security Agreement with Square 1 Bank (the “Bank”) dated as of November 2, 2012, as amended from time to time (the “Loan Agreement”) and a related Financing Agreement (the “Financing Agreement”). The obligations of GridSense to the Bank under the Loan Agreement are guaranteed by the Company. As previously disclosed in the Form 8-K filed on April 13, 2015, the Company received notice stating that the Company had failed to maintain compliance with covenants thereby creating an event of default under the Loan Agreement and under the Financing Agreement and declaring all obligations of GridSense owing under the Loan Agreement and the Financing Agreement to be immediately due and payable. As of the date of the notice, GridSense owed approximately $1,480 and $158 under the Loan Agreement and the Financing Agreement, respectively. Effective as of April 30, 2015, GridSense and the Bank entered into an amendment to the Loan Agreement pursuant to which (i) the Bank waived events of default under the Loan Agreement and Financing Agreement, (ii) GridSense paid $500 to the Bank in reduction of its obligations under the Loan Agreement, (iii) the Company deposited $250 on May 4, 2015 into a restricted account (the “Restricted Account”) at the Bank to secure the Company’s guaranty of GridSense’s obligations under the Loan Agreement and agreed to make additional deposits into the Restricted Account of $250 by May 14, 2015 (see below) and $250 by July 31, 2015, (iv) GridSense agreed to the repayment, commencing September 1, 2015, of an aggregate of $250 of advances under the Loan Agreement in equal monthly installments through May 1, 2016, and (v) the Company is required to have an unrestricted cash balance equal to no less than the amount of all obligations of GridSense to the Bank which are not secured by the Restricted Account. The Company is currently in compliance with this requirement. With respect to the deposit noted above that was due by May 14, 2015, the Bank subsequently agreed to allow the Company to deposit by such date $50 of the $250 that was due, with the remaining $200 of that tranche being deposited by May 31, 2015. The Company made the $50 deposit on May 13, 2015.

Subsequent Events

3 Months Ended

Mar. 31, 2015

NOTE 11—SUBSEQUENT EVENTS

Repayment of GridSense loan

The Company’s GridSense subsidiary is a party to a Loan and Security Agreement with Square 1 Bank (the “Bank”) dated as of November 2, 2012, as amended from time to time (the “Loan Agreement”) and a related Financing Agreement (the “Financing Agreement”). The obligations of GridSense to the Bank under the Loan Agreement are guaranteed by the Company.

As previously disclosed in the Form 8-K filed on April 13, 2015, the Company received notice stating that the Company had failed to maintain compliance with covenants thereby creating an event of default under the Loan Agreement and under the Financing Agreement and declaring all obligations of GridSense owing under the Loan Agreement and the Financing Agreement to be immediately due and payable. As of the date of the notice, GridSense owed approximately $1,480 and $158 under the Loan Agreement and the Financing Agreement, respectively.

Effective as of April 30, 2015, GridSense and the Bank entered into an amendment to the Loan Agreement pursuant to which (i) the Bank waived events of default under the Loan Agreement and Financing Agreement, (ii) GridSense paid $500 to the Bank in reduction of its obligations under the Loan Agreement, (iii) the Company deposited $250 on May 4, 2015 into a restricted account (the “Restricted Account”) at the Bank to secure the Company’s guaranty of GridSense’s obligations under the Loan Agreement and agreed to make additional deposits into the Restricted Account of $250 by May 14, 2015 (see below) and $250 by July 31, 2015, (iv) GridSense agreed to the repayment, commencing September 1, 2015, of an aggregate of $250 of advances under the Loan Agreement in equal monthly installments through May 1, 2016, and (v) the Company is required to have an unrestricted cash balance equal to no less than the amount of all obligations of GridSense to the Bank which are not secured by the Restricted Account. The Company is currently in compliance with this requirement.

With respect to the deposit noted above that was due by May 14, 2015, the Bank subsequently agreed to allow the Company to deposit by such date $50 of the $250 that was due, with the remaining $200 of that tranche being deposited by May 31, 2015. The Company made the $50 deposit on May 13, 2015.