Financial Instruments (Details Textual) (USD $)
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3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2012
Instruments
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Dec. 31, 2011
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Jun. 30, 2012
Maximum [Member]
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Jun. 30, 2012
Minimum [Member]
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Debt Instrument [Line Items] | ||||
Due date of company's long term available for sale securities | 2 years | 1 year | ||
Period of unrealized loss position | 12 months | |||
Financial Instrument (Textual) [Abstract] | ||||
Number of corporate debt securities | 18 | |||
Fair value of debt | $ 40,250 | |||
Gross unrealized losses | (17,000) | (30,000) | ||
Transfer of securities, Level 1 | 0 | |||
Transfer of securities, Level 2 | 0 | |||
Transfer of securities, Level 3 | $ 0 |
X | ||||||||||
- Definition
Available for sale securities noncurrent maturity period. No definition available.
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
Number of financial instruments in an unrealized loss position. No definition available.
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X | ||||||||||
- Definition
Period of unrealized loss position. No definition available.
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X | ||||||||||
- Definition
This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
This item represents the gross unrealized losses for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities. No definition available.
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
This element represents [net] transfers in to and out of assets measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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