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EXCEL - IDEA: XBRL DOCUMENT - DAILY JOURNAL CORPFinancial_Report.xls
10-K - FORM 10-K - DAILY JOURNAL CORPdjc_10k-093012.htm
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EX-10.3 - EXHIBIT 10.3 - DAILY JOURNAL CORPex10-3.htm
v2.4.0.6
Note 2 - Summary of Significant Accounting Policies (Detail) (USD $)
1 Months Ended 12 Months Ended
Jun. 30, 2012
Sep. 30, 2012
Sep. 30, 2011
Available-for-sale Securities, Fair Value Disclosure (in Dollars)   $ 102,956,000 $ 69,216,000
Available-for-sale Securities, Gross Unrealized Gain (Loss) (in Dollars)   52,464,000 24,532,000
Available-for-sale Securities, Gross Unrealized Gains (in Dollars)   54,653,000  
Available-for-sale Securities, Gross Unrealized Losses (in Dollars)   2,189,000  
Other than Temporary Impairment Losses, Investments (in Dollars) 2,855,000    
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net (in Dollars) 1,720,000    
Research and Development Expense, Software (Excluding Acquired in Process Cost) (in Dollars)   4,415,000 3,877,000
Weighted Average Number of Shares Outstanding, Basic and Diluted (in Shares)   1,380,746 1,380,746
Daily Journal Non-Consolidated [Member]
     
Management Incentive Plan Total Percentage Of Pre Tax Earnings   3.60% 3.55%
Management Incentive Plan Total Amount Paid (in Dollars)   513,500 548,480
Sustain Technologies, Inc. [Member]
     
Management Incentive Plan Total Percentage Of Pre Tax Earnings   8.23% 5.73%
Management Incentive Plan Total Amount Paid (in Dollars)   0 0
Daily Journal Consolidated [Member]
     
Management Incentive Plan Total Percentage Of Pre Tax Earnings   8.20% 8.20%
Management Incentive Plan Total Amount Paid (in Dollars)   936,840 1,090,760
Gross Unrealized Losses [Member]
     
Available-for-sale Securities, Gross Unrealized Losses (in Dollars)   1,209,000  
Building and Building Improvements [Member] | Minimum [Member]
     
Property, Plant and Equipment, Estimated Useful Lives   5  
Building and Building Improvements [Member] | Maximum [Member]
     
Property, Plant and Equipment, Estimated Useful Lives   39  
Furniture, Office Equipment, and Software [Member] | Minimum [Member]
     
Property, Plant and Equipment, Estimated Useful Lives   3  
Furniture, Office Equipment, and Software [Member] | Maximum [Member]
     
Property, Plant and Equipment, Estimated Useful Lives   5  
Machinery and Equipment [Member] | Minimum [Member]
     
Property, Plant and Equipment, Estimated Useful Lives   3  
Machinery and Equipment [Member] | Maximum [Member]
     
Property, Plant and Equipment, Estimated Useful Lives   10  
Management Incentive Plan, Future Commitment [Member]
     
Other Accrued Liabilities (in Dollars)   4,200,000  
Increase (Decrease) in Other Accrued Liabilities (in Dollars)   470,000  
Gross Unrealized Gains [Member]
     
Available-for-sale Securities, Gross Unrealized Gain (Loss) (in Dollars)     28,983,000
Gross Unrealized Losses [Member]
     
Available-for-sale Securities, Gross Unrealized Gain (Loss) (in Dollars)     $ 4,451,000
Minimum [Member]
     
Property, Plant and Equipment, Estimated Useful Lives   3  
Maximum [Member]
     
Property, Plant and Equipment, Estimated Useful Lives   39