NEXGEL, Inc. Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Stock option (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Feb. 17, 2020	Dec. 31, 2019
Subsequent Events
Issuance of common stock		$ 673
Subsequent Events \| Restricted stock award \| Adam Levy
Subsequent Events
Granted	5,928,571
Subsequent Events \| 2019 Long-Term Incentive Plan \| Board of Director
Subsequent Events
Issuance of common stock	$ 40,000
Subsequent Events \| First grant \| 2019 Long-Term Incentive Plan \| Board of Director
Subsequent Events
Granted	2,857,141
Exercise price	$ 0.014