Stock-based Compensation (Details Textual) (USD $)	3 Months Ended
	May 31, 2014 share_based_compensation_plan
Share Based Compensation (Textual) [Abstract]
Number Of Share-Based Compensation Plans	1
Shares authorized (shares)	5,000,000
Share for future issuance (shares)	368,012
Unrecognized compensation cost	$ 3,449,797
Employee Stock Purchase Plan [Member]
Share Based Compensation (Textual) [Abstract]
Term of offering under stock purchase plan	24 months
Granted option lower than	85.00%
Restricted common stock under plan	25,000
Common stock purchased during period (shares)	5,000
Share-based Compensation Arrangement, By Share-based Payment Award, Common Shares Estimated To Be Issued	35,582
Restricted Stock [Member]
Share Based Compensation (Textual) [Abstract]
Vesting ratably term	3 years
Stock Appreciation Rights SARS and Stock Option [Member]
Share Based Compensation (Textual) [Abstract]
Vesting ratably term	3 years
Term for the contract	7 years
Outstanding Average contractual term	5 years 1 month 4 days
Outstanding Aggregate intrinsic value	19,200,000
Average remaining contractual term	3 years 8 months 20 days
Aggregate remaining intrinsic value	$ 9,500,000