Summary of significant accounting policies (Tables)

6 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

Schedule of inventories

Inventories are valued using the first-in, first-out method and stated at the lower of cost or market and consist of the following:

	June 30, 2015		December 31, 2014
Raw materials and supplies	$	96,450	$	40,749
Work-in process		122,433		135,625
Finished goods		128,580		193,368
Total	$	347,463	$	369,742