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Due From Factor (Detail) (USD $) | 9 Months Ended | 12 Months Ended |  | 1 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Jan. 31, 2012 Subsequent Event [Member]
Factoring fee, percentage | 1.50% | 2.25% |  | 1.50%
Factoring fee, minimum |  | $ 12,000 |  |
Monthly payment, factoring fee |  | 1,000 |  |
Financing fee, interest terms |  | one month LIBOR plus 5.37% |  |
Accounts and Other Receivables, Net, Current | $ 0 | $ 203,351 | $ 0 |

X
- Definition Minimum factoring fee. + References No definition available. + Details
Name: | stvs_FactoringFeeMinimum
Namespace Prefix: | stvs_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Factoring fee, percentage, for accounts receivable insurance and collection service. + References No definition available. + Details
Name: | stvs_FactoringFeePercentage
Namespace Prefix: | stvs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest terms for the financing fee. + References No definition available. + Details
Name: | stvs_FinancingFeeInterestTerms
Namespace Prefix: | stvs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Monthly payment of financing fee. + References No definition available. + Details
Name: | stvs_MonthlyPaymentFactoringFee
Namespace Prefix: | stvs_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount due from customers, clients, or other third-parties, or arising from transactions not separately disclosed, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant