Unbilled Accounts Receivable and Significant Concentrations (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Unbilled accounts receivable	$ 13,848,726	$ 13,976,958
Government
Unbilled accounts receivable	13,664,406	13,712,913
Commercial
Unbilled accounts receivable	$ 184,320	$ 264,045