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Note 12 - Segment and Related Information (Details) - Asset Information (USD $)
Sep. 30, 2014
Sep. 30, 2013
Identifiable Assets    
Identifiable assets $ 3,699,657us-gaap_Assets $ 3,504,683us-gaap_Assets
Indicators and Gauges [Member]    
Identifiable Assets    
Identifiable assets 685,198us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= hicka_IndicatorsAndGaugesMember		 898,555us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= hicka_IndicatorsAndGaugesMember
Automotive Diagnostic Tools and Equipment [Member]    
Identifiable Assets    
Identifiable assets 2,199,779us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= hicka_AutomotiveDiagnosticToolsAndEquipmentMember		 1,327,932us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= hicka_AutomotiveDiagnosticToolsAndEquipmentMember
Corporate, Non-Segment [Member]    
Identifiable Assets    
Identifiable assets $ 814,680us-gaap_Assets
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember		 $ 1,278,196us-gaap_Assets
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember