14. Stock Option Plans (Details) - Schedule of Share-based Compensation, Stock Options, Activity - USD ($)	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Schedule of Share-based Compensation, Stock Options, Activity [Abstract]
Options Outstanding, Number of Options	85,000	71,500	88,000
Options Outstanding, Average Exercise Price	$ 5.33	$ 6.06	$ 6.12
Options Outstanding, Average Remaining Contractual Term	3 years 146 days	1 year 328 days
Options Outstanding, Aggregate Intrinsic Value	$ 9,000	$ 64,000
Vested Options:
Vested Options, Number of Options	26,000	59,900
Vested Options, Average Exercise Price	$ 4.38	$ 6.20
Vested Options, Average Remaining Contractual Term	2 years 36 days	1 year 6 months
Vested Options, Aggregate Intrinsic Value	$ 9,000	$ 53,760
Options Granted, Number of Options	51,000	10,000
Options Granted, Average Exercise Price	$ 5.85	$ 5.14
Options Exercised, Number of Options	0	(5,500)
Options Exercised, Average Exercise Price	$ 0	$ 4.84
Options Canceled/Forfeited, Number of Options	(37,500)	(21,000)
Options Canceled/Forfeited, Average Exercise Price	$ 7.43	$ 6.19