General form of registration statement for all companies including face-amount certificate companies

Subsequent events (Details)

v2.4.0.8
Subsequent events (Details) (USD $)
 6 Months Ended 0 Months Ended 6 Months Ended 0 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Jun. 30, 2013
Chief Executive Officer (John N. Hatsopoulos)
Mar. 25, 2013
Chief Executive Officer (John N. Hatsopoulos)
Mar. 14, 2013
Prepayment from related party for future 2013 purchases
Jun. 30, 2013
Prepayment from related party for future 2013 purchases
Jul. 22, 2013
Subsequent event
Mar. 25, 2013
Subsequent event
Chief Executive Officer (John N. Hatsopoulos)
Mar. 14, 2013
Subsequent event
Prepayment from related party for future 2013 purchases
Subsequent Event [Line Items]                      
Prepayments received from related party             $ 827,747 $ 614,789     $ 827,747
Discount rate on related party prepaid purchases               6.00%     6.00%
Working capital line of credit with related party         1,500,000 1,000,000       1,000,000  
Common Stock, Par or Stated Value Per Share $ 0.001 $ 0.001 $ 0.001 $ 0.001         $ 0.001    
Line of Credit Facility, Maximum Amount Outstanding During Period $ 1,150,000