Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2015

Property and Equipment [Abstract]

Components of property and equipment

	Useful life	June 30, 2015			December 31, 2014
Office equipment and furniture	5 years	$	172,886		$	166,734
Manufacturing equipment	5 -10 years		77,498,325			76,870,025
Vehicles	5 years		207,393			205,714
Building and building improvements	5 - 20 years		26,296,532			26,083,624
			104,175,136			103,326,097
Less: accumulated depreciation			(38,133,408	)		(33,697,500	)
		$	66,041,728		$	69,628,597