Grenoble, May 25, 2018. Launch of IPO on Euronext Growth Paris Capital increase: approximately €35.7M[1] Subscription commitments received: €22.8M, incl. €12.4M through shareholder convertible bonds[2] Received subscriptions by new shareholders: Definvest (Bpifrance and  French Ministry of the  Armed Forces), Financière Arbevel …