Restricted Stock (Detail Textuals ) - shares	1 Months Ended		12 Months Ended
	Jul. 31, 2015	Jul. 28, 2006	Mar. 31, 2016	Jul. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of automatic increase in the amount of shares available for issuance		10.00%
Restriction period			three-year
2006 Employee Equity Compensation Restricted Stock Plan (the "Employee Plan") | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock reserved for issuance		1,000,000	928,296
2006 Outside Director Equity Compensation Restricted Stock Plan (the "Director Plan") | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock reserved for issuance		200,000	272,000	400,000
2015 Outside Director Equity Compensation Restricted Stock Plan | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock reserved for issuance	400,000
Percentage of automatic increase in the amount of shares available for issuance	10.00%
Restriction period	No less than 1 year and no more than ten years