Net Loss per Share (Details) - USD ($)	3 Months Ended				6 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Reconciliation of basic and diluted net loss per share [Abstract]
Net loss	$ (1,958,000)	$ (1,410,000)	$ (6,517,000)	$ (175,000)	$ (3,368,000)	$ (6,692,000)
Basic shares (in shares)	19,599,162		19,272,557		19,554,142	19,197,181
Effect of potentially dilutive securities (in shares)	0		0		0	0
Diluted shares (in shares)	19,599,162		19,272,557		19,554,142	19,197,181
Net loss per share, Basic [Abstract]
Basic net loss per share (in dollars per share)	$ (0.1)		$ (0.34)		$ (0.17)	$ (0.35)
Net loss per share, Diluted [Abstract]
Diluted net loss per share (in dollars per share)	$ (0.1)		$ (0.34)		$ (0.17)	$ (0.35)
Potential Common Shares [Member]
Antidilutive Securities [Abstract]
Antidilutive shares excluded from computation of earnings per share (in shares)	2,104,035		1,945,392		2,104,035	1,945,392
Convertible Notes [Member]
Antidilutive Securities [Abstract]
Antidilutive shares excluded from computation of earnings per share (in shares)	2,240,593				2,240,593