Summary of Significant Accounting Policies (Detail Textuals) (USD $)	12 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Cost Of Product and Service Revenue	Dec. 31, 2007 Cellex and General Hydrogen
Acquired Finite-Lived Intangible Assets [Line Items]
Deferred revenue non-current liabilities	$ 4,362,092	$ 3,036,829
Allowance for doubtful accounts	0	0
Inventory on consignment	406,000	178,000
Amortization method used				straight-line method
Remaining amortization period				Eight years
Extended product warranty term	five to ten year
Depreciation method used	straight-line method
Capital leased property, remaining amortization period			6 years
Amortization of leased property under capital lease			$ 129,122