Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of gross carrying amount and accumulated amortization of acquired identifiable intangible assets

The gross carrying amount and accumulated amortization of the Company’s acquired identifiable intangible assets related to Plug Power Canada Inc. as of June 30, 2013 are as follows:  

							Effect of
	Weighted Average	Gross Carrying			Accumulated		Foreign Currency
	Amortization Period	Amount			Amortization		Translation		Total
Acquired Technology	8 years		$	15,900,000	$	(13,235,570)	$	1,089,374	$	3,753,804
Customer Relationships	8 years		1,000,000		(770,833)		-		229,167
			$	16,900,000	$	(14,006,403)	$	1,089,374	$	3,982,971

The gross carrying amount and accumulated amortization of the Company’s acquired identifiable intangible assets related to Plug Power Canada Inc. as of December 31, 2012 are as follows:  

							Effect of
	Weighted Average	Gross Carrying			Accumulated		Foreign Currency
	Amortization Period	Amount			Amortization		Translation		Total
Acquired Technology	8 years		$	15,900,000	$	(12,156,049)	$	1,234,953	$	4,978,904
Customer Relationships	8 years		1,000,000		(708,333)		-		291,667
			$	16,900,000	$	(12,864,382)	$	1,234,953	$	5,270,571