Segment Information (Tables)
12 Months Ended
Dec. 31, 2016
Segment Reporting [Abstract]  
Schedule of reconciliation of total of reportable segments' loss from operations
(in thousands)   2016     2015  
Net revenue:                
Residential   $ 13,275     $ 30,205  
Sunetric     4,150       15,322  
Other     —       —  
Consolidated net revenue     17,425       45,527  
Income (loss) from operations:                
Residential     (3,386 )     (6,223 )
Sunetric     (1,667 )     (197 )
Other     (6,523 )     (10,405 )
Consolidated loss from continuing operations     (11,576 )     (16,825 )
Reconciliation of consolidated loss from operations to consolidated net loss:                
Other income (expense)     (21 )     386  
Interest expense     (2,811 )     (487 )
Change in fair value of derivative liabilities and loss on extinguishment     (11,395 )     7,127  
Income tax expense     (27 )     (9 )
(Loss)/gain from discontinued operations, net of tax     502       (972 )
Net loss   $ (25,328 )   $ (10,780 )
Schedule of reconciliation of reportable segments' assets to the Company's consolidated total assets.
 
(in thousands)   2016     2015  
Total assets – continuing operations:                
Residential   $ 7,159     $ 9,229  
Sunetric     1,196       3,041  
Other     3,857       1,034  
    $ 12,212     $ 13,304  
Total assets – discontinued operations:                
Commercial     2,161       3,731  
    $ 14,373     $ 17,035