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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS [Parenthetical] | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Stock Issued During Period, Shares, Issued for Services | 11,131 | 10,800
Equity Option [Member] | Redeemable Preferred Stock [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 10,180 | 10,033

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration