AdCare Health Systems Inc. has announced plans for a public offering that could yield more than $4.7 million in proceeds for the Springfield health care company. AdCare has priced 1.1 million shares of common stock at $3.75 a piece. The offering could bring in $4.1 million or more than $4.7 million, if the underwriter in the offering purchases an additional 165,000 shares within 45 days. The offering is expected to close around March 30. The company plans to use the net proceeds from the sale...