Summary of significant accounting policies (Details Textual) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Jun. 30, 2015	May. 08, 2015
Significant Accounting Policies [Line Items]
Allowance for Doubtful Accounts Receivable	$ 79,697		$ 79,697		$ 79,697
Inventory Valuation Reserves	$ 778,944		$ 778,944		867,816
Operating Loss Carryforwards					76,267,809
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	5,700,000	6,100,000	5,700,000	6,100,000
Cash, FDIC Insured Amount	$ 250,000		$ 250,000
Product Warranty Accrual	2,750		2,750		2,750
Goodwill	$ 291,747		$ 291,747		$ 0
Developed Technology Rights [Member]
Significant Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life			7 years
Customer Relationships [Member]
Significant Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life			7 years
Trademarks [Member]
Significant Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years
Common Stock [Member]
Significant Accounting Policies [Line Items]
Convertible Preferred Stock, Shares Issued upon Conversion						7,374,852	7,374,852
Series A Convertible Redeemable Preferred Stock
Significant Accounting Policies [Line Items]
Temporary Equity Redemption Request Of Minimum Percentage Of Holders Of Outstanding Preferred Stock Required			70.00%
Temporary Equity, Shares Outstanding	0		0		3,999,864
Accounts Receivable | Customer One
Significant Accounting Policies [Line Items]
Concentration Risk, Percentage			12.00%		79.00%
Accounts Receivable | Customer Two
Significant Accounting Policies [Line Items]
Concentration Risk, Percentage			11.00%		15.00%
Maximum
Significant Accounting Policies [Line Items]
Accounts Receivable Period Due			45 days
Minimum
Significant Accounting Policies [Line Items]
Accounts Receivable Period Due			30 days