XML 58 R45.htm IDEA: XBRL DOCUMENT v3.4.0.3
Note 4 - Property, Plant and Equipment (Details Textual) - USD ($)
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Depreciation $ 1,387,000 $ 981,000 $ 865,000