The numbers quoted below are from OROCOBRE's latest qtrly report. Although the top line sales number is less than I would have expected, the LI is brine LI which is hard to turn into the most desired LIOH; but the thing ALTAF investors should notice is the huge gap between the sales price and cost of production. It serves as a ready explanation of while Galaxy LI which runs a relatively small LI hard Rock operation at Mt Gatllin has been swimming in cash almost from the day it has started production. 

Sales were 3,019 tonnes of lithium carbonate with a realised average price of US$10,587/tonne on a FOB basis and total sales revenue of US$32 million. Operating costs (on a cost of goods sold basis, excluding export tax) were US$3,974/tonne down 14% QoQ and marginally higher than the December 2017 quarter.
Read more at https://www.stockhouse.com/news/press-releases/2019/01/16/orocobre-limited-quarterly-report-of-operations-for-the-period-ended-31#9wsBwoIrDdEtYK8K.99