XML 32 R23.htm IDEA: XBRL DOCUMENT v3.20.1
Accrued expenses (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Disclosure Accrued Expenses Details Abstract    
Accrued officer salaries $ 4,872,900 $ 4,473,415
Accrued interest 192,895 164,313
Other 1,026,569 459,053
Accrued expenses $ 6,092,364 $ 5,096,781