Note 12 - Long-term Debt (Details Textual) - USD ($)				1 Months Ended		3 Months Ended
	Dec. 22, 2015	Jun. 16, 2015	Oct. 31, 2014	Mar. 31, 2016	Oct. 31, 2015	Mar. 31, 2016	Jun. 30, 2015	Mar. 31, 2015
RedPath Integrated Pathology, Inc [Member] | Notes Payable, Other Payables [Member]
Debt Instrument, Face Amount			$ 11,000,000
Business Combination, Consideration Transferred, Liabilities Incurred			$ 7,500,000
Debt Instrument, Interest Rate, Stated Percentage			5.00%
Interest Expense, Debt						$ 200,000		$ 200,000
RedPath Integrated Pathology, Inc [Member] | Loans Payable [Member]
Debt Instrument, Face Amount			$ 20,000,000
Debt Instrument, One Time Payment, Principal					$ 1,333,750
Proceeds from Issuance of Debt			$ 19,600,000
RedPath Integrated Pathology, Inc [Member]
Business Combination, Consideration Transferred, Liabilities Incurred							$ 10,700,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares					500,000
Business Combination, Indemnification Assets, Amount as of Acquisition Date				$ 1,500,000		1,500,000
Business Combination, Indemnification Assets, Amount as of Acquisition Date, Current				500,000		500,000
Business Combination, Indemnification Assets, Amount as of Acquisition Date, Noncurrent				1,000,000		1,000,000
Notes Payable, Other Payables [Member]
Long-term Debt				8,600,000		8,600,000
Debt Instrument, Unamortized Discount				$ 2,100,000		2,100,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		500,000	500,000	500,000
Interest Expense, Debt						$ 203,000		$ 848,000
Business Combination, Indemnification Assets, Amount as of Acquisition Date			$ 500,000
Payments for Other Fees	$ 1,600,000