Stock Based Compensation and Stock Options (Details Textual) (USD $)	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Stock-Based Compensation and Stock Options (Additional Textual) [Abstract]
Stock-based compensation expense	$ 405,000	$ 297,000
Stock-Based Compensation and Stock Options (Textual) [Abstract]
Common stock grants	19,365,500
Stock options vested, percent	25.00%
Remaining vested options, percent	75.00%
Options for employees expiring from date of grant, period, years	5 years
Options for board of directors expiring from date of grant, period, years	10 years
Options expected forfeiture rate, percentage	12.84%	11.70%
Weighted-average of grant-date fair value options granted	$ 10.70	$ 8.13
Recognized stock compensation expense	82,000	38,000
Time Based Options [Member] | Performance Shares [Member]
Stock-Based Compensation and Stock Options (Additional Textual) [Abstract]
Stock-based compensation expense	$ 405,000	$ 297,000
Maximum [Member]
Stock-Based Compensation and Stock Options (Additional Textual) [Abstract]
Non-statutory stock options vesting period	36 months
Minimum [Member]
Stock-Based Compensation and Stock Options (Additional Textual) [Abstract]
Non-statutory stock options vesting period	1 year