Accounts Receivable (Details Textual) - USD ($)	3 Months Ended
	Jun. 30, 2017	Sep. 30, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Doubtful Accounts Receivable, Current		$ 181,473	$ 200,266
Accounts Receivable, Net, Current, Total		3,786,280	2,807,323
Deferred Revenue, Noncurrent		3,191,517	2,745,081
Additional Allowance For Doubtful Debts	$ 150,000
Trade Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Doubtful Accounts Receivable, Current		148,370	200,266
Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Doubtful Accounts Receivable, Current		33,103	0
Accounts Receivable, Net, Current, Total		$ 3,340,732	$ 3,449,355