Quarterly report pursuant to Section 13 or 15(d)

Note 14 - Subsequent Events (Details Textual)

v3.8.0.1
Note 14 - Subsequent Events (Details Textual) - Subsequent Event [Member]
 1 Months Ended
Apr. 24, 2018
USD ($)
shares
Treasury Stock, Shares, Acquired | shares 500,000
Stock Repurchase Program, Authorized Amount $ 2,000,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 3,000,000