Note 2 - Merger with Park Sterling Corporation	6 Months Ended
Jun. 30, 2012
Mergers, Acquisitions and Dispositions Disclosures [Text Block]	Note 2 – Merger with Park Sterling Corporation On May 14, 2012, the Company announced the signing of a definitive merger agreement with Park Sterling Corporation (“Park Sterling”) under which Park Sterling will acquire Citizens South for a total value of approximately $77.8 million, excluding the exchange of $20.5 million in preferred stock issued to the United States Department of the Treasury in connection with Citizen South’s participation in the Small Business Lending Fund. The merger agreement has been unanimously approved by the board of directors of each company. Closing of the transaction, which is expected to occur in the fourth quarter of 2012, is subject to customary conditions, including approval by Citizens South’s shareholders, approval by Park Sterling’s shareholders and receipt of regulatory approval. Under the terms of the merger agreement, Citizens South shareholders will have the right to receive either $7.00 in cash or 1.4799 Park Sterling shares for each Citizens South share they hold, subject to the limitation that the total consideration will consist of 30.0% in cash and 70.0% in Park Sterling shares. Those Citizens South shares exchanged for stock will convert to Park Sterling shares in what is intended to be a tax-free exchange. Cash will also be paid in lieu of fractional shares. The transaction value at the time of the proposed merger may change due to potential fluctuations in the price of Park Sterling stock.

Note 2 - Merger with Park Sterling Corporation

6 Months Ended

Jun. 30, 2012

Mergers, Acquisitions and Dispositions Disclosures [Text Block]

Note 2 – Merger with Park Sterling Corporation

On May 14, 2012, the Company announced the signing of a definitive merger agreement with Park Sterling Corporation (“Park Sterling”) under which Park Sterling will acquire Citizens South for a total value of approximately $77.8 million, excluding the exchange of $20.5 million in preferred stock issued to the United States Department of the Treasury in connection with Citizen South’s participation in the Small Business Lending Fund. The merger agreement has been unanimously approved by the board of directors of each company. Closing of the transaction, which is expected to occur in the fourth quarter of 2012, is subject to customary conditions, including approval by Citizens South’s shareholders, approval by Park Sterling’s shareholders and receipt of regulatory approval. Under the terms of the merger agreement, Citizens South shareholders will have the right to receive either $7.00 in cash or 1.4799 Park Sterling shares for each Citizens South share they hold, subject to the limitation that the total consideration will consist of 30.0% in cash and 70.0% in Park Sterling shares. Those Citizens South shares exchanged for stock will convert to Park Sterling shares in what is intended to be a tax-free exchange. Cash will also be paid in lieu of fractional shares. The transaction value at the time of the proposed merger may change due to potential fluctuations in the price of Park Sterling stock.