Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventories [Abstract]

Components of inventories

	June 30, 2016			December 31, 2015
Raw materials	$	1,293,112		$	690,824
Work-in-process		1,030,398			1,593,815
Finished goods		1,718,709			635,771
		4,042,219			2,920,410
Less: reserve for obsolete inventories		(1,068,196	)		(1,093,326	)
	$	2,974,023		$	1,827,084