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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Jun. 30, 2015
Minimum [Member] |  |  |  |  |
Media Content Service Period |  |  | 30 days |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 5 years |  |
Standard Warranty Term |  |  | 1 year |  |
Maximum [Member] | Leasehold Improvements [Member] |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  | 15 years |  |
Maximum [Member] | Product Warranty Exceptions [Member] |  |  |  |  |
Standard Warranty Term |  |  | 10 years |  |
Maximum [Member] |  |  |  |  |
Media Content Service Period |  |  | 1 year |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 20 years |  |
Standard Warranty Term |  |  | 5 years |  |
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset | $ 0 |  | $ 0 |  |
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability | 0 |  | 0 |  |
Cash, FDIC Insured Amount | 250,000 |  | 250,000 |  |
Cash, Uninsured Amount | 31,602,000 |  | 31,602,000 |  | $ 28,494,000
Depreciation | 1,471,000 | $ 1,425,000 | 2,921,000 | $ 2,863,000 |
Research and Development Expense | $ 1,320,000 | $ 1,450,000 | $ 2,631,000 | $ 3,301,000 |
Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares | 987,000 | 383,000 | 836,000 | 383,000 |

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + 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 (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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