Foreclosures being sold for $100 to the plaintiff...What does this mean?

[Larry K.]

I have been tracking the foreclosure sales in my target county (Passaic County, NJ) and am seeing of those that are "open" (many are adjourned) most are being sold to the plaintiff for $100. I suppose this means the lender ultimately did not sell the property at the sheriffs sale.

Any insight to what this means?
Meaning, do you think there were bidders and the bank thought the bids were too low so they refused them all and ended up back with the property?
Or were there not any bidders?
Or something else?

I wish I could make it to the courthouse to see for myself but my job prevents it.