Geographic Information (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Geographic Information
United States	$ 12,785,115plug_UnitedStates	$ 11,620,594plug_UnitedStates
Canada	350,319plug_Canada	1,751,595plug_Canada
Total	$ 13,135,434plug_Total	$ 13,372,189plug_Total

Long-lived assets, representing the sum of net book value of property, plant, and equipment, net book value of leased property under capital leases, restricted cash, note receivable, and net book value of intangible assets under United States segment

No definition available.

Name:	plug_UnitedStates
Namespace Prefix:	plug_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration