Note 11 - Stock Compensation - MRP Stock Awards (Details) - Management Recognition Plan [Member]	12 Months Ended
	Dec. 31, 2016 $ / shares shares
Outstanding and non-vested at beginning of year (in shares) | shares	1,047
Outstanding and non-vested at beginning of year, weighted average grant date fair value (in dollars per share) | $ / shares	$ 4.25
Conversion for stock offering * (in shares) | shares	201	[1]
Conversion for stock offering, weighted average grant date fair value (in dollars per share) | $ / shares	$ 3.57	[1]
Granted (in shares) | shares	0
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 0
Vested and transferred to recipients (in shares) | shares	(1,248)
Vested and transferred to recipients, weighted average grant date fair value (in dollars per share) | $ / shares	$ 3.57
Outstanding and non-vested at end of year (in shares) | shares	0
Outstanding and non-vested at end of year, weighted average grant date fair value (in dollars per share) | $ / shares	$ 0

[1] Non-vested shares and weighted average grant date fair value were adjusted at the 1.1921 exchange ratio upon closing of the stock conversion as discussed in Note 1.