Annual report pursuant to Section 13 and 15(d)

Deferred Revenue - Schedule Deferred Revenue (Details)

v3.21.1
Deferred Revenue - Schedule Deferred Revenue (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Total deferred revenue $ 431,218 $ 568,178
Deferred revenue, non-current portion (6,654) (565)
Current portion of deferred revenue 479,486 567,613
Interenergy [Member]    
Total deferred revenue 338,817
PA Turnpike [Member]    
Total deferred revenue 8,287
AFIG-PAT [Member]    
Total deferred revenue 70,356 75,382
Prepaid Network and Maintenance Fees [Member]    
Total deferred revenue 288,119 145,692
Other [Member]    
Total deferred revenue $ 72,743