Subsequent Events (Details)		3 Months Ended
	Apr. 12, 2020 USD ($) director item $ / shares shares	Mar. 31, 2020 shares
Aspire
Subsequent Event
Shares issued (in shares)		0
Subsequent Event | Securities purchase agreement
Subsequent Event
Number of days following the days of breach | item	10
Termination fee payable | $	$ 850,000
Capped reimbursement expense amount | $	250,000
Financing costs incurred | $	$ 200,000
Subsequent Event | Investor rights agreement | Scenario 1
Subsequent Event
Number of directors designated as board of directors | director	2
Subsequent Event | Investor rights agreement | Scenario 2
Subsequent Event
Number of directors designated as board of directors | director	1
Subsequent Event | Investor rights agreement | Minimum | Scenario 1
Subsequent Event
Percentage of Outstanding Shares Of Common Stock	15.00%
Subsequent Event | Investor rights agreement | Minimum | Scenario 2
Subsequent Event
Percentage of Outstanding Shares Of Common Stock	8.00%
Subsequent Event | Private Placement | Securities purchase agreement
Subsequent Event
Common stock par value | $ / shares	$ 0.001
Warrant exercise price | $ / shares	$ 2.50
Term of warrant	5 years
Price per common unit | $ / shares	$ 2.50
Number of tranches | item	2
Proceeds from issuance of private placement | $	$ 35,000,000
Subsequent Event | Private Placement | Securities purchase agreement | Closing of second tranche
Subsequent Event
Percentage of Outstanding Shares Of Common Stock	67.80%
Subsequent Event | Private Placement | Securities purchase agreement | Minimum | Closing of first tranche
Subsequent Event
Shares issued (in shares)	1,322,510
Warrants to purchase common stock	1,322,510
Aggregate purchase price of warrants | $	$ 3,300,000
Subsequent Event | Private Placement | Securities purchase agreement | Minimum | Closing of second tranche
Subsequent Event
Shares issued (in shares)	12,677,490
Warrants to purchase common stock	12,677,490
Aggregate purchase price of warrants | $	$ 31,700,000
Subsequent Event | Private Placement | Securities purchase agreement | Maximum
Subsequent Event
Shares issued (in shares)	14,000,000
Warrants to purchase common stock	14,000,000