Share Repurchase Plan (Details Textual) (USD $)
|
3 Months Ended | 3 Months Ended | ||||||
---|---|---|---|---|---|---|---|---|
Feb. 28, 2013
|
Nov. 30, 2012
|
Jun. 06, 2012
|
Dec. 31, 2011
|
Feb. 28, 2013
Saneron [Member]
|
Nov. 30, 2012
Saneron [Member]
|
Feb. 28, 2013
Common Stock [Member]
|
Feb. 29, 2012
Common Stock [Member]
|
|
Share Repurchase Plan (Textual) [Abstract] | ||||||||
Treasury stock, shares | 1,049,602 | 942,474 | 150,100 | 150,100 | ||||
Number of shares repurchased | 899,502 | 107,128 | 415,117 | |||||
Average price per share (repurchased) | $ 2.17 | $ 2.31 | $ 1.82 | |||||
Share Repurchase Plan (Additional Textual) [Abstract] | ||||||||
Number of shares authorized to repurchase | 3,000,000 | 1,000,000 | ||||||
Shares repurchase plan | Open market purchases, Privately negotiated block trades, Unsolicited negotiated transactions, and/or trading plan in accordance with Rule 10b5-1 of the Securities and Exchange Commission |
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Definition
The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
|
X | ||||||||||
- Definition
Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Description of share repurchase program authorized by an entity's Board of Directors. Include also the allocation of amounts paid to purchase treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Number of shares held for each class of treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|