Property, plant and equipment (Tables)

12 Months Ended

Dec. 31, 2013

Property, plant and equipment [Abstract]

Summary of property, plant and equipment

	Estimated
	Useful Life	2013		2012
Land		$	278,325	$	278,325
Building and Improvements	30 years		4,632,565		4,489,377
Manufacturing and warehouse equipment	6-20 years		8,160,173		7,982,669
Office equipment and furniture	3-5 years		830,950		738,584
Construction in process			19,604		249,027
Leasehold improvements	10-15 years		419,315		122,644
Automobile	3 years		32,263		-
Property, plant and equipment, gross			14,373,195		13,860,626
Less accumulated depreciation			9,256,754		8,532,717
Property, plant and equipment, net		$	5,116,441	$	5,327,909