Concentration Of Credit Risk And Economic Dependence (Major Customers) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Concentration Risk [Line Items]
Gross Accounts Receivable	$ 2,259,180		$ 4,561,782
Customer A [Member]
Concentration Risk [Line Items]
Gross Accounts Receivable	2,232,854		2,259,769
Customer B [Member]
Concentration Risk [Line Items]
Gross Accounts Receivable			2,268,426
Major Customers [Member]
Concentration Risk [Line Items]
Gross Accounts Receivable	$ 2,232,854		$ 4,528,195
Net Revenue [Member] | Customer A [Member]
Concentration Risk [Line Items]
Concentration risk percentage	51.60%	50.20%
Net Revenue [Member] | Customer B [Member]
Concentration Risk [Line Items]
Concentration risk percentage	44.50%	49.10%
Net Revenue [Member] | Major Customers [Member]
Concentration Risk [Line Items]
Concentration risk percentage	96.10%	99.30%