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Note 2 - Balance Sheet Components | 12 Months Ended
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Dec. 31, 2012
Supplemental Balance Sheet Disclosures [Text Block] | 2. BALANCE SHEET COMPONENTS The components of certain balance sheet amounts are as follows (in thousands):
|  | December 31, |
|  | 2011 |  |  | 2012 |
Other current assets: |  |  |  |  |  |
Product-related deposits |  | $ | 98 |  |  | $ | 65 |
Prepaid insurance |  |  | 48 |  |  |  | 3 |
Deferred commissions |  |  | 156 |  |  |  | 26 |
Due from Russian service provider |  |  | – |  |  |  | 239 |
Other |  |  | 235 |  |  |  | 308 |
|  | $ | 537 |  |  | $ | 641 |
Property and equipment: |  |  |  |  |  |
Office equipment |  | $ | 445 |  |  | $ | 544 |
Office software |  |  | 522 |  |  |  | 523 |
Furniture and fixtures |  |  | 122 |  |  |  | 49 |
Leasehold improvements |  |  | 222 |  |  |  | 294 |
Property and equipment, at cost |  |  | 1,311 |  |  |  | 1,410 |
Accumulated depreciation and amortization |  |  | (1,243 | ) |  |  | (1,289 | )
|  | $ | 68 |  |  | $ | 121 |
|  | December 31, |
|  | 2011 |  |  | 2012 |
Other accrued expenses: |  |  |  |  |  |
Sales returns |  | $ | 205 |  |  | $ | 181 |
Employee-related expense |  |  | 991 |  |  |  | 1,034 |
Professional fees |  |  | 65 |  |  |  | 37 |
Warehousing and inventory-related expense |  |  | 98 |  |  |  | 301 |
Other |  |  | 112 |  |  |  | 135 |
|  | $ | 1,471 |  |  | $ | 1,688 |
Deferred revenue: |  |  |  |  |  |
Unshipped product |  | $ | 776 |  |  | $ | 647 |
Enrollment package revenue |  |  | 191 |  |  |  | 189 |
|  | $ | 967 |  |  | $ | 836 |
Other current liabilities: |  |  |  |  |  |  |  |
Unclaimed checks |  | $ | 845 |  |  | $ | 761 |
Other |  |  | 105 |  |  |  | 230 |
|  | $ | 950 |  |  | $ | 991 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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