Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Related Party Transactions (Details Textual)

v3.8.0.1
Note 11 - Related Party Transactions (Details Textual) - USD ($)
3 Months Ended 9 Months Ended 120 Months Ended
Aug. 08, 2017
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Dec. 31, 2016
Payments to Acquire Equity Method Investments       $ 2,500,000    
InControl Medical [Member] | Membership Unit Subscription Agreement [Member]              
Payments to Acquire Equity Method Investments $ 2,500,000            
Stellartech Research Corporation [Member]              
Stock Issued During Period, Shares, New Issues           37,500  
Related Party Transaction, Amounts of Transaction   $ 2,620,000 $ 1,816,000 6,326,000 $ 3,976,000    
Accounts Payable, Related Parties, Current   $ 781,000   $ 781,000   $ 781,000 $ 1,297,000