Note 10 - Stock Repurchase Plans (Details Textual) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended	45 Months Ended
Sep. 30, 2019	Sep. 30, 2019	Jul. 31, 2019
Stock Repurchased and Retired During Period, Shares		39,158	297,020
Stock Repurchased and Retired During Period, Value	$ 179	$ 179	$ 1,195
Stock Repurchase Program, Authorized Amount			$ 3,000
Payments for Stock Repurchased Broker Fees		$ 1

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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