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Summary of Significant Accounting Policies (Details) | 12 Months Ended
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Dec. 31, 2011 Y
Summary of Significant Accounting Policies (Textuals) [Abstract] |
Period of assets which are deprecated on a straight line basis over their useful lives, Minimum | 3
Period of assets which are deprecated on a straight line basis over their useful lives, Maximum | 20
Maturity of cash and cash equivalents | 3 months

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- Definition Period for recognition of for cash equivalents maximum. + References No definition available. + Details
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Period Type: | duration

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- Details
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- Definition The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration