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Share Repurchase Plan (Details Textual) (USD $) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Nov. 30, 2012 | Jun. 06, 2012 | Dec. 31, 2011 | Nov. 30, 2011
Schedule of Share Repurchase Plan [Line Items] |  |  |  |
Treasury stock, shares | 942,474 |  |  | 150,100
Share Repurchase Plan (Textual) [Abstract] |  |  |  |
Number of shares authorized to repurchase |  | (3,000,000) | (1,000,000) |
Number of shares repurchased | 792,374 |  |  |
Average price per share (repurchased) | $ 2.15 |  |  |
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 |  |  |
Common stock additional share repurchased | 84,596 |  |  |
Average price per share additional repurchased | $ 2.46 |  |  |
Saneron [Member] |  |  |  |
Schedule of Share Repurchase Plan [Line Items] |  |  |  |
Treasury stock, shares | 150,100 |  |  | 150,100

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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Section B -Paragraph 7 -Subparagraph b -Chapter 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Section B -Paragraph 11A -Chapter 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Number of shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Section B -Paragraph 7, 11A -Chapter 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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