Shareholders' Equity (Details 1) - Employee Stock Option [Member] - $ / shares	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Equity Compensation Plans Approved [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance at the beginning of the period (in shares)	330,000	281,000
Granted (in shares)	139,000	75,000
Forfeited/expired (in shares)	(58,000)	(26,000)
Balance at the end of the period (in shares)	411,000	330,000
Balance at the beginning of the period (in dollars per share)	$ .96	$ 1.06
Granted (in dollars per share)	.57	.84
Forfeited/expired (in dollars per share)	.83	1.73
Balance at the end of the period (in dollars per share)	$ .85	$ .96
Equity Compensation Plans Not Approved [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance at the beginning of the period (in shares)	245,000	250,000
Granted (in shares)	0	20,000
Forfeited/expired (in shares)	0	(25,000)
Balance at the end of the period (in shares)	245,000	245,000
Balance at the beginning of the period (in dollars per share)	$ .96	$ .97
Granted (in dollars per share)	0.00	1.00
Forfeited/expired (in dollars per share)	0.00	1.12
Balance at the end of the period (in dollars per share)	$ .96	$ .96