Summary of Significant Accounting Policies - Schedule of Concentration of Credit Risk (Details) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Dec. 31, 2017 |
|
| Johnson Controls Battery Group, Inc. [Member] | Sales Revenue, Net [Member] | |||||
| Concentration Risk, Percentage | 90.70% | 94.30% | 81.40% | 94.30% | |
| Johnson Controls Battery Group, Inc. [Member] | Accounts Receivable [Member] | |||||
| Concentration Risk, Percentage | 96.20% | 95.40% | |||
| Ocean Partners USA, Inc. [Member] | Sales Revenue, Net [Member] | |||||
| Concentration Risk, Percentage | 4.50% | 0.00% | 15.20% | 1.50% | |
| Ocean Partners USA, Inc. [Member] | Accounts Receivable [Member] | |||||
| Concentration Risk, Percentage | 0.00% | 0.00% | |||