|
Subsequent events (Details) (Subsequent event, USD $)
|
0 Months Ended | |
|---|---|---|
|
Mar. 25, 2013
Chief Executive Officer (John N. Hatsopoulos)
|
Mar. 14, 2013
Prepayment from related party for future 2013 purchases
|
|
| Subsequent Event [Line Items] | ||
| Prepayments received from related party | $ 827,747 | |
| Discount rate on related party prepaid purchases | 6.00% | |
| Working capital line of credit with related party | $ 1,000,000 |
| X | ||||||||||
|
- Definition
Related Party Transaction, Discount Rate No definition available.
|
| X | ||||||||||
|
- Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of transactions with related party during the financial reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|