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Note 13 - Subsequesnt Events (Details) (Subsequent Event [Member], USD $) In Millions, unless otherwise specified | 1 Months Ended
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Jul. 31, 2013
Subsequent Event [Member] |
Note 13 - Subsequesnt Events (Details) [Line Items] |
Stock Repurchase Program, Authorized Amount | $ 3

X
- Details
Name: | lrad_Note13SubsequesntEventsDetailsLineItems
Namespace Prefix: | lrad_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration