Accounts Receivable (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accounts Receivable [Abstract]
Allowances for doubtful accounts	$ 785,895	$ 839,895	[1]
Provision for doubtful accounts	$ (54,000)	810,580
Accounts receivable write offs		$ 4,920

[1] The change in allowance for doubtful accounts is primarily due to unpaid billings on a contract that is currently in dispute.