XML 34 R56.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 14 - Net Capital Requirements (Details) (USD $)
Mar. 31, 2015
National Securities [Member] | SEC Requirement [Member]  
Note 14 - Net Capital Requirements (Details) [Line Items]  
Minimum Net Capital Required $ 250,000us-gaap_MinimumNetCapitalRequired1
/ us-gaap_SecuritiesFinancingTransactionAxis
= nhld_SECRequirementMember
/ us-gaap_StatementBusinessSegmentsAxis
= nhld_NationalSecuritiesMember
National Securities [Member]  
Note 14 - Net Capital Requirements (Details) [Line Items]  
Net Capital 7,165,930us-gaap_NetCapital
/ us-gaap_StatementBusinessSegmentsAxis
= nhld_NationalSecuritiesMember
Alternative Excess Net Capital 6,915,930us-gaap_AlternativeExcessNetCapital
/ us-gaap_StatementBusinessSegmentsAxis
= nhld_NationalSecuritiesMember
vFinance Investments [Member] | Maximum [Member]  
Note 14 - Net Capital Requirements (Details) [Line Items]  
Ratio of Indebtedness to Net Capital 15us-gaap_RatioOfIndebtednessToNetCapital1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_StatementBusinessSegmentsAxis
= nhld_vFinanceInvestmentsMember
vFinance Investments [Member] | SEC Requirement [Member]  
Note 14 - Net Capital Requirements (Details) [Line Items]  
Minimum Net Capital Required 1,000,000us-gaap_MinimumNetCapitalRequired1
/ us-gaap_SecuritiesFinancingTransactionAxis
= nhld_SECRequirementMember
/ us-gaap_StatementBusinessSegmentsAxis
= nhld_vFinanceInvestmentsMember
vFinance Investments [Member]  
Note 14 - Net Capital Requirements (Details) [Line Items]  
Net Capital 3,003,962us-gaap_NetCapital
/ us-gaap_StatementBusinessSegmentsAxis
= nhld_vFinanceInvestmentsMember
Alternative Excess Net Capital $ 2,003,962us-gaap_AlternativeExcessNetCapital
/ us-gaap_StatementBusinessSegmentsAxis
= nhld_vFinanceInvestmentsMember
Capital Required to be Well Capitalized to Risk Weighted Assets 153.80%us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
/ us-gaap_StatementBusinessSegmentsAxis
= nhld_vFinanceInvestmentsMember