Significant Accounting Policies (Detail Textuals)
$ in Millions |
12 Months Ended |
|
Dec. 31, 2016
USD ($)
Segment
shares
|
Dec. 31, 2015
USD ($)
shares
|
| Schedule Of Accounting Policies [Line Items] |
|
|
| Allowance for doubtful accounts |
$ 0.6
|
$ 1.2
|
| Reserve for obsolete or slow moving inventory |
$ 0.5
|
$ 0.3
|
| Product warranty period of warrants solar energy systems |
10 years
|
|
| Limited performance warranty period of warrants solar energy systems |
25 years
|
|
| Weighted average common share equivalents excluded from earnings per share | shares |
843,163
|
2,678
|
| Concentration risk, benchmark description |
The Company did not have any customer who accounted for more than 10% of total accounts receivable as of December 31, 2016 and 2015, nor did it have any customer representing over 10% of sales during 2016 or 2015.
|
|
| Maximum remaining lease term of sales type lease |
20 years
|
|
| Number of operating segments | Segment |
3
|
|
| Minimum |
|
|
| Schedule Of Accounting Policies [Line Items] |
|
|
| Estimated useful lives of property and equipment |
three years
|
|
| Maximum |
|
|
| Schedule Of Accounting Policies [Line Items] |
|
|
| Estimated useful lives of property and equipment |
twenty years
|
|
| Supplier Concentration Risk |
|
|
| Schedule Of Accounting Policies [Line Items] |
|
|
| Concentration risk, percentage |
90.00%
|
50.00%
|
| Concentration risk, supplier |
|
three suppliers
|