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 ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 22, 2015
Oct. 31, 2014
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
RedPath Integrated Pathology, Inc [Member] | Notes Payable, Other Payables [Member]            
Interest Expense, Debt     $ 200 $ 200 $ 400 $ 400
Debt Instrument, Face Amount   $ 11,000        
Business Combination, Consideration Transferred, Liabilities Incurred   $ 7,500        
Debt Instrument, Interest Rate, Stated Percentage   5.00%        
RedPath Integrated Pathology, Inc [Member] | Loans Payable [Member]            
Debt Instrument, Face Amount   $ 20,000        
Proceeds from Issuance of Debt   $ 19,600        
RedPath Integrated Pathology, Inc [Member]            
Business Combination, Consideration Transferred, Liabilities Incurred       10,700    
Business Combination, Indemnification Assets, Amount as of Acquisition Date     1,500   1,500  
Notes Payable, Other Payables [Member]            
Long-term Debt     8,800   8,800  
Debt Instrument, Unamortized Discount     1,900   1,900  
Interest Expense, Debt     $ 858 $ 884 $ 1,062 $ 1,732
Payments for Other Fees $ 1,600