Net Loss Per Common Share (Details) - shares	6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Antidilutive stock options and restricted stock units
Net Loss Per Common Share
Antidilutive securities excluded from diluted net loss per common share computations	300,000	200,000
Performance Restricted Stock Units
Net Loss Per Common Share
Antidilutive securities excluded from diluted net loss per common share computations	30,000	30,000
Warrants
Net Loss Per Common Share
Antidilutive securities excluded from diluted net loss per common share computations	1,900,000	300,000