CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Total
Balance at Dec. 31, 2015	$ 73,764	$ 977	$ 11,603	$ (495)	$ 85,849
Balance (in shares) at Dec. 31, 2015	10,676,557
Net income					1,731
Other comprehensive loss					652
Balance at Mar. 31, 2016				157
Balance at Dec. 31, 2015	$ 73,764	977	11,603	(495)	85,849
Balance (in shares) at Dec. 31, 2015	10,676,557
Net income			8,051		8,051
Other comprehensive loss				(1,855)	(1,855)
Stock dividend adjustment	$ 4		(4)		0
Stock dividend adjustment (in shares)	505
Stock dividend declared	$ 5,088		(5,088)		0
Stock dividend declared (in shares)	428,786
Cash in lieu of fractional shares			(5)		(5)
Cash in lieu of fractional shares (in shares)	(101)
Stock-based compensation	$ 286				286
Tax deficiency related to expired, vested non-qualified stock options	(114)				(114)
Common shares issued related to restricted stock grants	$ 61				61
Common shares issued related to restricted stock grants (in shares)	34,976
Stock options exercised	$ 25				25
Stock options exercised (in shares)	7,723
Balance at Dec. 31, 2016	$ 79,114	977	14,557	(2,350)	92,298
Balance (in shares) at Dec. 31, 2016	11,148,446
Net income			2,513		2,513
Other comprehensive loss				(26)	(26)
Stock dividend adjustment	$ 207		(207)		0
Stock dividend adjustment (in shares)	289
Cash in lieu of fractional shares			(10)		(10)
Cash in lieu of fractional shares (in shares)	(129)
Stock-based compensation	$ 77				77
Common shares issued related to restricted stock grants	$ 0				0
Common shares issued related to restricted stock grants (in shares)	23,673
Balance at Mar. 31, 2017	$ 79,398	$ 977	$ 16,853	$ (2,376)	$ 94,852
Balance (in shares) at Mar. 31, 2017	11,172,279