Brokers will give traders who borrow shares a certain number of days to cover. This could be 7 days, 14 days, etc. By the end of this period if the trader has not covered their position, the broker can do it manually and will charge the trader a liquidation fee.
The smart move, at least for now, is flipping this ticker between .0004 and .0007. Small accumulations add up big time because this ticker won't be making a sustained upward move anytime soon:-D