Concentration Of Credit Risk And Economic Dependence (Major Customers) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Customer A [Member]
Concentration Risk [Line Items]
Gross Accounts Receivable	$ 4,023,703	$ 6,663,468
Customer B [Member]
Concentration Risk [Line Items]
Gross Accounts Receivable	$ 1,028,734	$ 1,457,417
Major Customers [Member]
Concentration Risk [Line Items]
Concentration risk percentage	99.30%	99.00%
Gross Accounts Receivable	$ 5,052,437	$ 8,120,885
Gross Revenue [Member] | Customer A [Member]
Concentration Risk [Line Items]
Concentration risk percentage	50.20%	64.00%
Gross Revenue [Member] | Customer B [Member]
Concentration Risk [Line Items]
Concentration risk percentage	49.10%	35.00%