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Nature of Operations and Summary of Significant Accounting Policies (Details 1) (USD $)
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Sep. 30, 2012
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Sep. 30, 2011
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|---|---|---|
| Company's assets measured at fair value | ||
| Total | $ 81,375,000 | $ 72,486,000 |
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Equities [Member]
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| Company's assets measured at fair value | ||
| Total | 13,912,000 | 24,213,000 |
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Mutual Funds [Member]
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| Company's assets measured at fair value | ||
| Total | 18,588,000 | 2,566,000 |
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Corporate Bonds [Member]
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| Company's assets measured at fair value | ||
| Total | 14,178,000 | 7,845,000 |
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Municipal Bonds [Member]
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| Company's assets measured at fair value | ||
| Total | 28,513,000 | 35,844,000 |
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Government Securities [Member]
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| Company's assets measured at fair value | ||
| Total | 6,000,000 | |
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Cash and Money Funds [Member]
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| Company's assets measured at fair value | ||
| Total | 184,000 | 2,018,000 |
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Level 1 [Member]
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| Company's assets measured at fair value | ||
| Total | 38,684,000 | 28,797,000 |
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Level 1 [Member] | Equities [Member]
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| Company's assets measured at fair value | ||
| Total | 13,912,000 | 24,213,000 |
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Level 1 [Member] | Mutual Funds [Member]
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| Company's assets measured at fair value | ||
| Total | 18,588,000 | 2,566,000 |
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Level 1 [Member] | Government Securities [Member]
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| Company's assets measured at fair value | ||
| Total | 6,000,000 | |
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Level 1 [Member] | Cash and Money Funds [Member]
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| Company's assets measured at fair value | ||
| Total | 184,000 | 2,018,000 |
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Level 2 [Member]
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| Company's assets measured at fair value | ||
| Total | 42,691,000 | 43,689,000 |
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Level 2 [Member] | Corporate Bonds [Member]
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| Company's assets measured at fair value | ||
| Total | 14,178,000 | 7,845,000 |
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Level 2 [Member] | Municipal Bonds [Member]
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| Company's assets measured at fair value | ||
| Total | 28,513,000 | 35,844,000 |
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Level 3 [Member]
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| Company's assets measured at fair value | ||
| Total | ||
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Level 3 [Member] | Equities [Member]
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||
| Company's assets measured at fair value | ||
| Total | ||
|
Level 3 [Member] | Mutual Funds [Member]
|
||
| Company's assets measured at fair value | ||
| Total | ||
|
Level 3 [Member] | Corporate Bonds [Member]
|
||
| Company's assets measured at fair value | ||
| Total | ||
|
Level 3 [Member] | Municipal Bonds [Member]
|
||
| Company's assets measured at fair value | ||
| Total | ||
|
Level 3 [Member] | Government Securities [Member]
|
||
| Company's assets measured at fair value | ||
| Total | ||
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Level 3 [Member] | Cash and Money Funds [Member]
|
||
| Company's assets measured at fair value | ||
| Total |

