Fair Value Measurements (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Liabilities:
Derivative financial instruments—warrants	$ 4,127	$ 32,315
Recurring basis | Estimate of Fair Value Measurement
Assets:
Money market fund	10,131,240	11,392,093
Total Assets	10,131,240	11,392,093
Liabilities:
Derivative financial instruments—warrants	4,127	32,315
Total Liabilities	4,127	32,315
Recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) | Estimate of Fair Value Measurement
Assets:
Money market fund	10,131,240	11,392,093
Total Assets	10,131,240	11,392,093
Liabilities:
Derivative financial instruments—warrants	0	0
Total Liabilities	0	0
Recurring basis | Significant Other Observable Inputs (Level 2) | Estimate of Fair Value Measurement
Assets:
Money market fund	0	0
Total Assets	0	0
Liabilities:
Derivative financial instruments—warrants	0	0
Total Liabilities	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Estimate of Fair Value Measurement
Assets:
Money market fund	0	0
Total Assets	0	0
Liabilities:
Derivative financial instruments—warrants	4,127	32,315
Total Liabilities	$ 4,127	$ 32,315