Merger - Narrative (Details) - USD ($)		1 Months Ended
	Jul. 30, 2018	Jul. 31, 2018
Business Acquisition [Line Items]
Expected ownership of surviving company (percent)	15.00%
CVR entitled to receipt of percentage of cash payments exceeding agreement threshold (percent)	90.00%
CVR agreement threshold for sales or out-licensing of assets	$ 500,000
CVR agreement term of cash payout	10 years
Seelos Therapeutics, Inc.
Business Acquisition [Line Items]
Expected ownership of surviving company (percent)		85.00%
CVR agreement right to receive initial proceeds from sales or out-licensing of assets		$ 500,000
CVR agreement right to contingent payment in excess of agreement threshold (percent)		10.00%
Period of time for commercially reasonable efforts to sell or out-license assets		3 years
Reverse stock split ratio		0.03333