Equity Financing - Narrative (Details) - USD ($)	Apr. 03, 2019	Mar. 31, 2019
Subsidiary, Sale of Stock [Line Items]
Consideration received on transaction	$ 52,150,000.00	$ 52,200,000
Investors' ownership		19.99%
Number of shares issued on transaction	7,889,552
Consideration received on transaction	$ 52,000,000
Issuance costs	$ 200,000
Prepaid Warrants
Subsidiary, Sale of Stock [Line Items]
Number of shares issued on transaction		1,467,494
Warrant expiration period		10 years