Note 12 - Subsequent Events (Details Textual)
$ in Millions
|1 Months Ended|
Apr. 30, 2018
|Astute Medical, Inc. [Member] | Subsequent Event [Member]|
|Cost-method Investments, Realized Gain (Loss), Total||$ 22.5|
This item represents the gain (loss) realized during the period from the sale of investments accounted for under the cost method of accounting and any losses recognized thereon for impairments of other than a temporary nature.
No definition available.