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v2.4.1.9

Note 9 - Commitments and Contingencies (Details Textual) (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2014
Target Bonus Amounts of Percentage of Employee Base Salary, Minimum | 10.00%lrad_TargetBonusAmountsOfPercentageOfEmployeeBaseSalaryMinimum |  | 10.00%lrad_TargetBonusAmountsOfPercentageOfEmployeeBaseSalaryMinimum |
Target Bonus Amounts of Percentage of Employee Base Salary Maximum | 50.00%lrad_TargetBonusAmountsOfPercentageFEmployeeBaseSalaryMaximum |  | 50.00%lrad_TargetBonusAmountsOfPercentageFEmployeeBaseSalaryMaximum |
Level 1 [Member] |  |  |  |
Payment of Bonus as Percentage |  |  | 50.00%lrad_PaymentOfBonusAsPercentage / us-gaap_RangeAxis = lrad_Level1Member |
Level 2 [Member] |  |  |  |
Payment of Bonus as Percentage |  |  | 100.00%lrad_PaymentOfBonusAsPercentage / us-gaap_RangeAxis = lrad_Level2Member |
Level 3 [Member] |  |  |  |
Payment of Bonus as Percentage |  |  | 200.00%lrad_PaymentOfBonusAsPercentage / us-gaap_RangeAxis = lrad_Level3Member |
Bonuses and Related Payroll Tax Expense [Member] |  |  |  |
Increase (Decrease) in Other Employee Related Liabilities | $ 152,819 us-gaap_IncreaseDecreaseInOtherEmployeeRelatedLiabilities / us-gaap_NatureOfExpenseAxis = lrad_BonusesAndRelatedPayrollTaxExpenseMember | $ 338,151 us-gaap_IncreaseDecreaseInOtherEmployeeRelatedLiabilities / us-gaap_NatureOfExpenseAxis = lrad_BonusesAndRelatedPayrollTaxExpenseMember | $ 323,098 us-gaap_IncreaseDecreaseInOtherEmployeeRelatedLiabilities / us-gaap_NatureOfExpenseAxis = lrad_BonusesAndRelatedPayrollTaxExpenseMember | $ 338,151 us-gaap_IncreaseDecreaseInOtherEmployeeRelatedLiabilities / us-gaap_NatureOfExpenseAxis = lrad_BonusesAndRelatedPayrollTaxExpenseMember

X
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Balance Type: | na
Period Type: | duration

X
- Definition Represents the target bonus amounts of percentage of employee base salary maximum. + References No definition available. + Details
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Namespace Prefix: | lrad_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the target bonus amounts of percentage of employee base salary minimum. + References No definition available. + Details
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Namespace Prefix: | lrad_
Data Type: | num:percentItemType
Balance Type: | na
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X
- Definition Change in carrying value during the period of obligations incurred through and payable within one year (or in the operating cycle if longer) for employer-related costs not otherwise specified in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Details
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