| Line |
Label |
Object Class (Data type) |
Period Type |
Balance |
Report Element Name |
| 1 |
Consolidated Balance Sheets |
Abstract |
|
|
EGHT:BalanceSheetsAbstract |
| 2 |
ASSETS |
Abstract |
|
|
us-gaap:AssetsAbstract |
| 3 |
Current assets: |
Abstract |
|
|
us-gaap:AssetsCurrentAbstract |
| 4 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
us-gaap:CashAndCashEquivalentsAtCarryingValue |
| 5 |
Short-term investments |
Concept (Monetary) |
As Of |
Debit |
us-gaap:ShortTermInvestments |
| 6 |
Accounts receivable, net of allowance of $25 and $21 |
Concept (Monetary) |
As Of |
Debit |
us-gaap:AccountsReceivableNetCurrent |
| 7 |
Inventory |
Concept (Monetary) |
As Of |
Debit |
us-gaap:InventoryNet |
| 8 |
Deferred cost of goods sold |
Concept (Monetary) |
As Of |
Debit |
us-gaap:DeferredCostsCurrent |
| 9 |
Deferred tax asset |
Concept (Monetary) |
As Of |
Debit |
us-gaap:DeferredTaxAssetsGrossCurrent |
| 10 |
Other current assets |
Concept (Monetary) |
As Of |
Debit |
us-gaap:OtherAssetsCurrent |
| 11 |
Total current assets |
Concept (Monetary) |
As Of |
Debit |
us-gaap:AssetsCurrent |
| 12 |
Property and equipment, net |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PropertyPlantAndEquipmentNet |
| 13 |
Intangible assets, net |
Concept (Monetary) |
As Of |
Debit |
us-gaap:IntangibleAssetsNetExcludingGoodwill |
| 14 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
us-gaap:Goodwill |
| 15 |
Non-current deferred tax asset |
Concept (Monetary) |
As Of |
Debit |
us-gaap:DeferredTaxAssetsGrossNoncurrent |
| 16 |
Other assets |
Concept (Monetary) |
As Of |
Debit |
us-gaap:OtherAssetsNoncurrent |
| 17 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
us-gaap:Assets |
| 18 |
LIABILITIES AND STOCKHOLDERS' EQUITY |
Abstract |
|
|
us-gaap:LiabilitiesAndStockholdersEquityAbstract |
| 19 |
Current liabilities: |
Abstract |
|
|
us-gaap:LiabilitiesCurrentAbstract |
| 20 |
Accounts payable |
Concept (Monetary) |
As Of |
Credit |
us-gaap:AccountsPayableCurrent |
| 21 |
Accrued compensation |
Concept (Monetary) |
As Of |
Credit |
us-gaap:EmployeeRelatedLiabilitiesCurrent |
| 22 |
Accrued warranty |
Concept (Monetary) |
As Of |
Credit |
us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent |
| 23 |
Accrued taxes |
Concept (Monetary) |
As Of |
Credit |
us-gaap:AccruedIncomeTaxesCurrent |
| 24 |
Deferred revenue |
Concept (Monetary) |
As Of |
Credit |
us-gaap:DeferredRevenueCurrent |
| 25 |
Other accrued liabilities |
Concept (Monetary) |
As Of |
Credit |
us-gaap:OtherAccruedLiabilitiesCurrent |
| 26 |
Total current liabilities |
Concept (Monetary) |
As Of |
Credit |
us-gaap:LiabilitiesCurrent |
| 27 |
Non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
us-gaap:OtherLiabilitiesNoncurrent |
| 28 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
us-gaap:Liabilities |
| 29 |
Commitments and contingencies (Note 4) |
Concept (Monetary) |
As Of |
Credit |
us-gaap:CommitmentsAndContingencies |
| 30 |
Stockholders' equity: |
Abstract |
|
|
us-gaap:StockholdersEquityAbstract |
| 31 |
Preferred stock, $0.001 par value: Authorized: 5,000,000 shares; Issued and outstanding: no shares at March 31, 2012 and at March 31, 2011 |
Concept (Monetary) |
As Of |
Credit |
us-gaap:PreferredStockValue |
| 32 |
Common stock, $0.001 par value: Authorized: 100,000,000 shares; Issued and outstanding: 70,679,493 shares and 62,379,030 shares at March 31, 2012 and 2011, respectively |
Concept (Monetary) |
As Of |
Credit |
us-gaap:CommonStockValue |
| 33 |
Additional paid-in capital |
Concept (Monetary) |
As Of |
Credit |
us-gaap:AdditionalPaidInCapital |
| 34 |
Accumulated other comprehensive loss |
Concept (Monetary) |
As Of |
Credit |
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax |
| 35 |
Accumulated deficit |
Concept (Monetary) |
As Of |
Credit |
us-gaap:RetainedEarningsAccumulatedDeficit |
| 36 |
Total stockholders' equity |
Concept (Monetary) |
As Of |
Credit |
us-gaap:StockholdersEquity |
| 37 |
Total liabilities and stockholders' equity |
Concept (Monetary) |
As Of |
Credit |
us-gaap:LiabilitiesAndStockholdersEquity |
