A round-up of company developments listed on AIM and NEX you may have missed this week

Amerisur Resources AMER 
On Monday it completed Putumayo a farm in agreement with Gulfsands Petroleum: $1,250,000 for a 100% Operated working interest in the Putumayo 14 (Put-14) block in Colombia for phase 0 development. With an additional 1.7m in the future for a phase 1 work programme. 
On Wednesday, it updated the markets on it’s CPO-5 Colombian oil discovery: short term testing indicated flow rates of 4530 bopd, which was above expectations. A 4 well drilling programme was confirmed. Directors have been buying shares in the company. 
Shares opened on Monday at 14.71p a share, and were trading at 19.67p on Friday.

Boku Inc. BOKU 
Boku completed the acquisition of Danal, a mobile identity and authentication solutions provider. The company intends to build out its offerings to global scale to transform and seize opportunities in powered mobile commerce.

Spectra Systems Corporation SPSY 
The company received a first order for its TruBrand materials-based smartphone authentication product. The order came from Zhejiang Tobacco, a leading high value Chinese tobacco brand – to incorporate the product into 6-8m cigarette packs, there are potentially billions of units for larger volume brands in future from this supplier.

SciSys Group SSY 
The company secured a €5m Galileo contract. It was awarded under a programme funded by the EU and the European Space Agency.

Remote Monitored Systems RMS 
RMS subsidiary Geocurve was accepted into the EU KEEP+ programme, for research and innovation into VR/AR spaces, to develop high value products/services for target clients.
Partnered with the University of Essex, it is to expand commercial services into hazardous environments, nuclear, construction, natural, manmade disaster services, particularly confined spaces, storage tanks, caissons and underground reservoirs. The UK government predicted £100bn costs to decommission nuclear sites alone. Geocurve is to develop unique and specialised services/IP to facilitate this decommissioning.