that gives you about 10 coins in a year if you're not unlucky but it's a high possibility you will be unlucky since the average stake weight is about 2500 coins, so your 210 coins might not get a reward but I just checked the block explorer and it seems to be ok, some inputs <200 got a reward in a very short time (30days or less, that's very lucky). Click the lowest bubbles at stake weight spent, weight = how many coins in a single input in your case should be 210, age = how much time passed since it got a stake reward. http://www.presstab.pw/phpexplorer/PIVX/index.php