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Note 8 - Stockholders' Equity | 12 Months Ended
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Mar. 31, 2017
Notes to Financial Statements |
Stockholders' Equity Note Disclosure [Text Block] | Note 8. Stockholders' Equity Under applicable law, Colorado corporations are not permitted to retain treasury stock. The price paid for repurchased shares is allocated between common stock and retained earnings, based on management’s estimate of the original sales price of the underlying shares. In November 2005, our Board of Directors approved a program to repurchase up to 300,000 shares of our outstanding common stock. Under the program, shares of common stock may be purchased from time to time in the open market at prevailing prices or in negotiated transactions off the market. Shares of common stock purchased will be cancelled and repurchases of shares of common stock will be funded through existing cash reserves. There were no repurchases of our shares of common stock under this plan during the years ended March 31, 2017, 2016 and 2015. As of March 31, 2017, we have purchased 162,486 shares under this plan. Dividends per share paid by quarter were as follows:
|  | Year E nded March 31, |
|  | 2017 |  |  | 201 6 |  |  | 201 5 |
First quarter |  | $ | 0.16 |  |  | $ | 0.16 |  |  | $ | 0.15 |
Second quarter |  |  | 0.16 |  |  |  | 0.16 |  |  |  | 0.15 |
Third quarter |  |  | 0.16 |  |  |  | 0.16 |  |  |  | 0.16 |
Fourth quarter |  |  | 0.16 |  |  |  | 0.16 |  |  |  | 0.16 |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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