Long-Term Debt and Credit Facilities (Details Narrative) - USD ($)	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Total liquidity	$ 12,300,000
Cash and cash equivalents	9,040,816	$ 10,796,072
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity
Line of credit facility, current borrowing capacity	3,300,000
Revolving Credit Facility [Member] | Primary Lender [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 5,000,000
Revolving Credit Facility [Member] | Prime Rate [Member] | Primary Lender [Member]
Debt Instrument [Line Items]
Line of credit maturity date	Apr. 25, 2019
Line of credit interest rate	4.50%