Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details)

v3.19.1
Fair Value of Financial Instruments - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - Fair Value, Input, Level 3 [Member] - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance, beginning $ 603,411 $ 929,549
Change in fair value 73,271 151,423
Settlement in the form of shares issued (331,676)
Payments (150,250) (145,885)
Balance, ending $ 526,432 $ 603,411