Stockholders' Equity (Details) - USD ($)		1 Months Ended				12 Months Ended
	Jan. 15, 2016	Nov. 20, 2015	Jul. 31, 2015	Jul. 28, 2015	May 29, 2015	Feb. 29, 2016	Feb. 28, 2015	Jan. 15, 2015
Shareholders' Equity (Textual)
Stock repurchase program, authorized amount				$ 1,000,000	$ 500,000
Stock repurchase program, expiration date	Feb. 29, 2016			Feb. 29, 2016	Feb. 29, 2016
Number of shares repurchased		65,027
Repurchased share value per share		$ 4.30
Repurchased share value		$ 280,000
Cash dividends per share (in dollars per share)			$ 0.25
Employee exercise of stock options						$ 11,000	$ 6,000
Employee exercise of stock options, shares						(141,487)	(8,000)
Dividend paid						$ (575,000)	$ (109,000)
Authorized repurchase amount								$ 720,000
Common Stock
Shareholders' Equity (Textual)
Employee exercise of stock options						$ 1,000
Employee exercise of stock options, shares						112,172	8,000
Dividend paid
Authorized repurchase amount								$ 1,000,000