Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Long-term Debt (Details Textual)

v3.5.0.2
Note 12 - Long-term Debt (Details Textual) - USD ($)
 3 Months Ended 9 Months Ended
Nov. 14, 2016
Dec. 22, 2015
Oct. 31, 2014
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Jun. 30, 2015
RedPath Integrated Pathology, Inc [Member] | Notes Payable, Other Payables [Member] | The Note [Member]                
Debt Instrument, Face Amount     $ 11,000,000          
Debt Instrument, Covenant Term, Net Cash Balance, Amount $ 400,000              
Debt Instrument, Covenant Term, Rolling Net Cash Flow Analysis 91 days              
Long-term Debt       $ 9,000,000   $ 9,000,000   $ 10,700,000
Debt Instrument, Interest Rate, Stated Percentage     5.00%          
Business Combination, Consideration Transferred, Liabilities Incurred     $ 7,500,000          
Interest Expense, Debt       200,000 $ 200,000 600,000 $ 600,000  
Debt Instrument, Unamortized Discount       1,700,000   1,700,000    
RedPath Integrated Pathology, Inc [Member] | Loans Payable [Member]                
Debt Instrument, Face Amount     20,000,000          
Proceeds from Issuance of Debt     $ 19,600,000          
RedPath Integrated Pathology, Inc [Member]                
Business Combination, Indemnification Assets, Amount as of Acquisition Date       1,500,000   1,500,000    
Regulatory Liabilities       1,700,000   1,700,000    
Interest Expense, Debt       539,000 $ 884,000 1,601,000 $ 2,616,000  
Regulatory Liabilities       $ 1,700,000   $ 1,700,000    
Payments for Other Fees   $ 1,600,000