Note 9 - Acquisition (Details) (USD $)	0 Months Ended	3 Months Ended		2 Months Ended	0 Months Ended											0 Months Ended	3 Months Ended
	Jul. 31, 2014	Sep. 30, 2014	Jul. 31, 2014	Sep. 30, 2014 General and Administrative Expense [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 In Process Research and Development [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 In Process Research and Development [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 Lyme Disease Assay [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 Biologics for Autoimmune Disease Assay [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 Gout Assay [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 Milestone Payments [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 Milestone Payments for Completion of Studies Related to Aquired Technologies [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 Milestone Payments for Development of Diagnostic Test Kits [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 Milestone Payments for the First Patient Enrolled in an Institutional Review Board Approved Study [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 Milestone Payments for Issuance of Patents [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 Milestone Payments for Approvals or Clearances by the FDA [Member] Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 Boulder Diagnostics, Inc. [Member]	Sep. 30, 2014 Boulder Diagnostics, Inc. [Member]	Jul. 31, 2014 Boulder Diagnostics, Inc. [Member]
Note 9 - Acquisition (Details) [Line Items]
Payments to Acquire Businesses, Gross	$ 1,724,000															$ 1,700,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High										6,100,000	400,000	700,000	500,000	1,500,000	3,000,000
Business Combination, Consideration Transferred, Liabilities Incurred	1,247,000															1,200,000
Cash Consideration Held in Escrow																		183,200
Escrow Term																24 months
Business Combination, Acquisition Related Costs				181,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets			2,627,000			2,600,000	1,800,000	500,000	300,000
Fair Value Inputs, Discount Rate					15.00%
Goodwill and Intangible Asset Impairment		0
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual																	17,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual																	$ 100,000