Accounts Receivable and Significant Concentrations (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Provision for Doubtful Accounts	$ 31,187	$ (13,394)
Commercial Customer [Member]
Provision for Doubtful Accounts	31,200
Allowance for Doubtful Accounts Receivable, Write-offs	$ 274,500