16. Stock Option Plans (Details) - Schedule of Share-based Compensation, Stock Options, Activity (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Number of Options [Member]
16. Stock Option Plans (Details) - Schedule of Share-based Compensation, Stock Options, Activity [Line Items]
Outstanding options	88,000	114,600	201,100
Vest Options	61,800	71,100
Options granted	10,000	10,000
Options exercised	(8,300)	(39,100)
Options canceled/forfeited	(28,300)	(57,400)
Average Exercise Price [Member]
16. Stock Option Plans (Details) - Schedule of Share-based Compensation, Stock Options, Activity [Line Items]
Outstanding options	$ 6.12	$ 5.53	$ 5.14
Vest Options	$ 6.12	$ 5.14
Options granted	$ 4.22	$ 3.50
Options exercised	$ 3.98	$ 3.53
Options canceled/forfeited	$ 3.67	$ 5.17
Average Remaining Contractual Term [Member]
16. Stock Option Plans (Details) - Schedule of Share-based Compensation, Stock Options, Activity [Line Items]
Outstanding options	2 years	2 years
Vest Options	1 year 73 days	1 year 146 days
Aggregate Intrinsic Value [Member]
16. Stock Option Plans (Details) - Schedule of Share-based Compensation, Stock Options, Activity [Line Items]
Outstanding options	$ 11,200	$ 0
Vest Options	$ 9,200	$ 0