Consolidated Statement of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income Loss [Member]	Total
Beginning balance at Dec. 31, 2015	$ 6	$ (1,731)	$ 48,688	$ 605	$ (62)	$ 47,506
Beginning balance (shares) at Dec. 31, 2015	6,134,274	223,851
Stock compensation expense			38			38
Purchase of treasury stock		$ (1,195)				(1,195)
Purchase of treasury stock (in shares)	(177,508)	177,508
Retirement of treasury shares		$ 1,917	(1,917)
Retirement of treasury shares (shares)		(250,000)
Net income (loss)				11		11
Other comprehensive income (loss)					(3)	(3)
Ending balance at Dec. 31, 2016	$ 6	$ (1,009)	46,809	616	(65)	46,357
Ending balance (shares) at Dec. 31, 2016	5,956,766	151,359
Issuance of common shares			224			224
Issuance of common shares (in shares)	28,000
Stock compensation expense			19			19
Net income (loss)				(1,096)		(1,096)
Other comprehensive income (loss)					94	94
Ending balance at Sep. 30, 2017	$ 6	$ (1,009)	$ 47,052	$ (480)	$ 29	$ 45,598
Ending balance (shares) at Sep. 30, 2017	5,984,766	151,359