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Note 11 - Treasury Stock and Repurchase Program | 6 Months Ended
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Oct. 31, 2017
Notes to Financial Statements |
Treasury Stock [Text Block] | Note 11 - Treasury Stock and Repurchase Program: On September 19, 2012, the Company's Board of Directors approved a share repurchase program authorizing the repurchase of shares of the Company ’s common stock up to an aggregate purchase price of $3,000,000. The repurchases may be made from time to time on the open market at prevailing market prices, in negotiated transactions off the market, in block purchases or otherwise. The repurchase program may be suspended or discontinued at any time at the Company’s discretion and has no set expiration date. Treasury stock, at cost, consists of the following:
(in thousands except for shares and cost per share) |  | Shares |  |  | Total Average Cost Assigned |  |  | Average Cost per Share |  |  | Aggregate Purchase Price Remaining Under the Program |
Balance as of April 30, 2017 (1)(2) |  |  | 288,335 |  |  | $ | 3,781 |  |  | $ | 13.11 |  |  | $ | 609 |
Purchases effected in open market during the quarters ended: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
July 31, 2017 |  |  | 2,353 |  |  |  | 40 |  |  |  | 17.29 |  |  |  | 569 |
October 31, 2017 |  |  | 6,512 |  |  |  | 110 |  |  |  | 16.90 |  |  |  | 459 |
Balance as of October 31, 2017 |  |  | 297,200 |  |  | $ | 3,931 |  |  | $ | 13.23 |  |  | $ | 459 |
( 1 ) Includes 85,219 shares with a total average cost of $1,036,000 that were acquired during the former repurchase program, which was authorized in January 2011 and expired in January 2012; 18,400 shares were acquired prior to January 2011. ( 2 ) Were acquired during the $3 million repurchase program authorized in September 2012.

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- Definition The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -URI http://asc.fasb.org/subtopic&trid=2208821 + Details
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