Cash and Available for Sale Securities (Details Textual)	6 Months Ended	12 Months Ended
Jun. 30, 2015	Dec. 31, 2014
Cash and Available for Sale Securities [Abstract]
Contractual maturities of cash and short term investments	1 year	1 year

This line item represents the contractual maturities of cash and short-term investments. Cash and cash equivalents represents amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy.

No definition available.

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Period Type:	duration