Note 16 - Stockholders' Equity	12 Months Ended
Dec. 31, 2017
Notes to Financial Statements
Stockholders' Equity Note Disclosure [Text Block]	NOTE 1 6 Stockholders' Equity The Co mpany did not repurchase any shares of its common stock in the open market or pay any dividends on its common stock during 2017, 2016 or 2015. The Company did purchase 2,968 shares of common stock from employees to pay the income taxes on net exchanges of vested restricted stock in 2017. The Company's certificate of incorporation authorizes the issuance of up to 500,000 shares of preferred stock, and on December 23, 2008, the Company completed the sale of 26,000 shares of Fixed Rate Cumulative Perpetual Preferred Stock, Series A (Preferred Stock) to the United Stated Department of Treasury (Treasury). The Preferred Stock had a liquidation value of $1,000 per share and a related warrant was also issued to purchase 833,333 shares of HMN common stock at an exercise price of $4.68 per share (the Warrant). The transaction was part of the Treasury’s Capital Purchase Program under the Emergency Economic Stabilization Act of 2008. O n February 17, 2015, the Company redeemed the final 10,000 shares of the outstanding Preferred Stock. On May 21, 2015, the Treasury sold the Warrant at an exercise price of $4.68 to three unaffiliated third party investors for an aggregate purchase price of $5.7 million. Two of the investors received a warrant to purchase 277,777.67 shares and one investor received a warrant to purchase 277,777.66 shares. All of the warrants were still outstanding as of December 31, 2017 and may be exercised at any time prior to their expiration date of December 23, 2018. The Company received no proceeds from this transaction and it had no effect on the Company’s capital, financial condition or results of operations. In order to grant a priority to eligible accountholders in the event of future liquidation, the Bank, at the time of conversion to a stock savings bank, established a liquidation account equal to its regulatory capital as of September 30, 1993. In the event of future liquidation of the Bank, an eligible accountholder who continues to maintain their deposit account shall be entitled to receive a distribution from the liquidation account. The total amount of the liquidation account will decrease as the balance of eligible accountholders is reduced subsequent to the conversion, based on an annual determination of such balance.

NOTE

Stockholders' Equity

The Co

mpany did

not

repurchase any shares of its common stock in the open market or pay any dividends on its common stock during

2017,

2016

2015.

The Company did purchase

2,968

shares of common stock from employees to pay the income taxes on net exchanges of vested restricted stock in

2017.

The Company's certificate of incorporation authorizes the issuance of up to

500,000

shares of preferred stock,

and on

December 23, 2008,

the Company completed the sale of

26,000

shares of Fixed Rate Cumulative Perpetual Preferred Stock, Series A (Preferred Stock) to the United Stated Department of Treasury (Treasury). The Preferred Stock had a liquidation value of

$1,000

per share and a related

warrant was also issued to purchase

833,333

shares of HMN common stock at an exercise price of

$4.68

per share (the Warrant). The transaction was part of the Treasury’s Capital Purchase Program under the Emergency Economic Stabilization Act of

2008.

February 17, 2015,

the Company redeemed the final

10,000

shares of the outstanding Preferred Stock. On

May 21, 2015,

the Treasury sold the Warrant at an exercise price of

$4.68

three

unaffiliated

third

party investors for an aggregate purchase price of

$5.7

million. Two of the investors received a warrant to purchase

277,777.67

shares and

one

investor received a warrant to purchase

277,777.66

shares. All of the warrants were still outstanding as of

December 31, 2017

and

may

be exercised at any time prior to their expiration date of

December 23, 2018.

The Company received

proceeds from this transaction and it had

effect on the Company’s capital, financial condition or results of operations.

In order to grant a priority to eligible accountholders in the event of future liquidation, the Bank, at the time of conversion to a stock savings bank, established a liquidation account equal to its regulatory capital as of

September 30, 1993.

In the event of future liquidation of the Bank, an eligible accountholder who continues to maintain their deposit account shall be entitled to receive a distribution from the liquidation account.

The total amount of the liquidation account will decrease as the balance of eligible accountholders is reduced subsequent to the conversion, based on an annual determination of such balance.