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Note 2 - Balance Sheet Components (Tables) | 12 Months Ended
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Dec. 31, 2012
Fair Value, by Balance Sheet Grouping [Table Text Block] |
|  | 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 Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 14 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph c(2), d, e, f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15 -Subparagraph b-d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13467-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 19 -Subparagraph a, b, c(1), d(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph a, c(1), c(2), c(3), d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 + Details
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Namespace Prefix: | us-gaap_
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Period Type: | duration