Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Schedule Of Cost And Fair Value By Contractual Maturity) (Details)

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Marketable Securities (Schedule Of Cost And Fair Value By Contractual Maturity) (Details)
Sep. 30, 2015
USD ($)
Marketable Securities [Abstract]  
Less than 1 year, Cost Basis, Maturity $ 8,519,900
Less than 1 year, Fair Value, Maturity 8,525,822
1 to 5 years, Cost Basis, Maturity 480,000
1 to 5 years, Fair Value, Maturity 480,847
Total Marketable Securities, Cost Basis, Maturity 8,999,900
Total Marketable Securities, Fair Value, Maturity $ 9,006,669