Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

	Useful Lives in Years
Buildings	40
Manufacturing machinery and equipment	5 - 10
Furniture, fixtures, computer hardware/software	3 - 7
Leasehold improvements	life of lease

The following table summarizes property, plant and equipment as of December 31, 2013 and December 31, 2012:

	As of December 31,
	2013			2012
Building	$	5,820,509		$	5,820,735
Furniture, fixtures, computer hardware and computer software	461,491			426,517
Manufacturing machinery and equipment	32,332,905			32,847,052
Leasehold improvements	—			884,709
Depreciable property, plant and equipment	38,614,905			39,979,013
Less: Accumulated depreciation and amortization	(17,850,688		)	(12,725,298		)
Net property, plant and equipment	$	20,764,217		$	27,253,715

Interest Expense, Incurred and Capitalized

The Company incurred and capitalized interest costs related to the manufacturing facility building loan as follows during the years ended December 31, 2013, 2012 and 2011:

	For the years ended December 31,
	2013		2012			2011
Interest cost incurred	$	432,426	$	449,302		465,103
Interest cost capitalized	—		(177,309		)	(351,632		)
Interest expense, net	$	432,426	$	271,993		$	113,471

In December 2012, all of the production equipment to be installed in the manufacturing facility had been delivered and was in service, therefore the Company no longer capitalizes interest related to its manufacturing facility building loan.