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ORGANIZATION AND BUSINESS (Details Textual) (USD $)
3 Months Ended 9 Months Ended
Apr. 30, 2015
Apr. 30, 2014
Apr. 30, 2015
Apr. 30, 2014
Jul. 31, 2014
Net income (loss) $ (85,000)us-gaap_NetIncomeLoss $ (105,000)us-gaap_NetIncomeLoss $ (307,000)us-gaap_NetIncomeLoss $ (330,000)us-gaap_NetIncomeLoss  
Accumulated deficit (24,630,000)us-gaap_RetainedEarningsAccumulatedDeficit   (24,630,000)us-gaap_RetainedEarningsAccumulatedDeficit   (24,323,000)us-gaap_RetainedEarningsAccumulatedDeficit
Cash 81,000us-gaap_Cash   81,000us-gaap_Cash   21,000us-gaap_Cash
Negative Working Capital $ 1,893,000nimu_Negativeworkingcapital   $ 1,893,000nimu_Negativeworkingcapital