XML 46 R33.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 8 - Stockholders' Equity (Tables) | 12 Months Ended
--- | ---
Mar. 31, 2018
Notes Tables |
Dividends Declared [Table Text Block] |
|  | Year E nded March 31, |
|  | 201 8 |  |  | 201 7 |  |  | 201 6 |
First quarter |  | $ | 0.16 |  |  | $ | 0.16 |  |  | $ | 0.16 |
Second quarter |  |  | 0.16 |  |  |  | 0.16 |  |  |  | 0.16 |
Third quarter |  |  | 0.16 |  |  |  | 0.16 |  |  |  | 0.16 |
Fourth quarter |  |  | 0.16 |  |  |  | 0.16 |  |  |  | 0.16 |

X
- Definition Tabular disclosure of information related to dividends declared, including paid and unpaid dividends. + References No definition available. + Details
Name: | us-gaap_DividendsDeclaredTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration