Perma-Pipe International Holdings, Inc. (PPIH)
30.61
-0.42
(-1.35%)
USD |
NASDAQ |
Oct 13, 11:43
Perma-Pipe International Holdings Research and Development Expense (TTM)
Research and Development Expense (TTM) Chart
Historical Research and Development Expense (TTM) Data
| Date | Value |
|---|---|
| January 31, 2012 | 2.10M |
| October 31, 2011 | |
| July 31, 2011 |
| Date | Value |
|---|---|
| April 30, 2011 | |
| January 31, 2011 | |
| October 31, 2010 | 0.00 |
R&D Expense Definition
R&D expense is a line item from many companies' income statements.
Research and Development Expense (TTM) Range, Past 5 Years
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