Accounting for Stock Based Compensation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended			9 Months Ended
	Nov. 30, 2014	Feb. 28, 2014	Feb. 28, 2013	Nov. 30, 2014	Oct. 16, 2014	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price					$ 7.76	$ 6.79
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term				2 years 0 months 29 days
Difference Between Option Grant Price and Stock Fair Value					$ 0.25	$ 0.25
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	3 years 0 months 0 days		2 years 6 months 0 days
Stock Issued During Period, Shares, Restricted Stock Award, Gross	118,058	84,588
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period				12 years 9 months 0 days
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 324			$ 324
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	65			65
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	75			226
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	214,204	79,204		214,204
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 7.42	6.79		$ 7.42
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	125,000		256,250	140,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				5,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period				0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value				$ 7.76
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price				$ 6.79
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price				$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Market Value	$ 2.78		1.99
Warrant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	15,000		17,500
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	84,588	84,588		84,588
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 13.62	13.62		$ 13.62
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross				0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period				0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value				$ 0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price				$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price				$ 0.00
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 901			$ 901
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Market Value	$ 7.77	13.62