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Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, 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.","units":{"USD":[{"end":"2010-12-31","val":108000,"accn":"0001144204-12-018335","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-30","frame":"CY2010Q4I"},{"end":"2010-12-31","val":108000,"accn":"0001144204-11-063731","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-14"},{"end":"2010-12-31","val":108000,"accn":"0001144204-11-046405","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-15"},{"end":"2011-06-30","val":117000,"accn":"0001144204-11-046405","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-15","frame":"CY2011Q2I"},{"end":"2011-09-30","val":182000,"accn":"0001144204-11-063731","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-14","frame":"CY2011Q3I"},{"end":"2011-12-31","val":126000,"accn":"0001144204-13-019046","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01","frame":"CY2011Q4I"},{"end":"2011-12-31","val":126000,"accn":"0001144204-12-062187","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-14"},{"end":"2011-12-31","val":126000,"accn":"0001144204-12-050779","fy":2012,"fp":"Q2","form":"10-Q/A","filed":"2012-09-12"},{"end":"2011-12-31","val":126000,"accn":"0001144204-12-029063","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":126000,"accn":"0001144204-12-018335","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-30"},{"end":"2012-03-31","val":190000,"accn":"0001144204-12-029063","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-06-30","val":149000,"accn":"0001144204-12-050779","fy":2012,"fp":"Q2","form":"10-Q/A","filed":"2012-09-12","frame":"CY2012Q2I"},{"end":"2012-09-30","val":88000,"accn":"0001144204-12-062187","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-14","frame":"CY2012Q3I"},{"end":"2012-12-31","val":140000,"accn":"0001144204-14-022436","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-14","frame":"CY2012Q4I"},{"end":"2012-12-31","val":140000,"accn":"0001144204-13-061417","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14"},{"end":"2012-12-31","val":140000,"accn":"0001144204-13-045533","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14"},{"end":"2012-12-31","val":140000,"accn":"0001144204-13-028861","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":140000,"accn":"0001144204-13-019046","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-03-31","val":839000,"accn":"0001144204-13-028861","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":804000,"accn":"0001144204-13-045533","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14","frame":"CY2013Q2I"},{"end":"2013-09-30","val":898000,"accn":"0001144204-13-061417","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14","frame":"CY2013Q3I"},{"end":"2013-12-31","val":0,"accn":"0001144204-14-022436","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-14","frame":"CY2013Q4I"}]}},"Revenues":{"label":"Revenues","description":"Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain 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