Available-for-Sale-Securities Schedule of Available-for-sale Securites Reconciliation (Details) (USD $)	Jun. 30, 2014
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	$ 28,376,300
Deferred Tax Liabilities, Unrealized Gains on Trading Securities	1,100
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	(100)
Certificates of Deposit, at Carrying Value	28,377,300
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	6,581,300
Deferred Tax Liabilities, Unrealized Gains on Trading Securities	1,100
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	100
Certificates of Deposit, at Carrying Value	6,582,300
Money Market Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	21,051,000
Deferred Tax Liabilities, Unrealized Gains on Trading Securities	0
Deferred Tax Assets, Unrealized Losses on Trading Securities	0
Certificates of Deposit, at Carrying Value	21,051,000
Certificates of Deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	744,000
Deferred Tax Liabilities, Unrealized Gains on Trading Securities	0
Deferred Tax Assets, Unrealized Losses on Trading Securities	0
Certificates of Deposit, at Carrying Value	$ 744,000