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Accounts Receivable and Unbilled Accounts Receivables (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Provision for Doubtful Accounts $ 253,401 $ 18,072
Commercial Customer [Member]    
Provision for Doubtful Accounts 274,000 $ 18,100
Allowance for Doubtful Accounts Receivable, Recoveries $ 20,000