CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized	15,000,000	15,000,000
Common stock, issued	5,575,024	4,649,658
Subordinated Debt [Member]
Subordinated notes interest rate	6.25%	6.25%