Consolidated Statements of Changes in Redeemable Preferred Stock and Shareholders' Equity (Unaudited) - USD ($) $ in Thousands		Total	No Par, Common Stock	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period (in shares) at Dec. 31, 2015			7,644,492
Balance at beginning of period at Dec. 31, 2015		$ 77,262	$ 80,111	$ (3,031)	$ 182
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(2,028)		(2,028)
Repurchase of common stock (in shares)			(33,833)
Repurchase of common stock		(231)	$ (231)
Vesting of RSU	[1]	204	$ 204
Other comprehensive loss		1,542			1,542
Balance at end of period (in shares) at Mar. 31, 2016			7,610,659
Balance at end of period at Mar. 31, 2016		76,749	$ 80,084	(5,059)	1,724
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(6,409)		(6,409)
Repurchase of common stock (in shares)			(54,817)
Repurchase of common stock		(394)	$ 394
Vesting of RSU (in shares)	[1]		77,228
Vesting of RSU	[1]	652	$ 652
Other comprehensive loss		(2,804)			(2,804)
Balance at end of period (in shares) at Dec. 31, 2016			7,633,070
Balance at end of period at Dec. 31, 2016		67,794	$ 80,342	(11,468)	(1,080)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(1,798)		(1,798)
Vesting of RSU (in shares)	[1]		(1)
Vesting of RSU	[1]	243	$ 243
Other comprehensive loss		334			334
Balance at end of period (in shares) at Mar. 31, 2017			7,633,069.000
Balance at end of period at Mar. 31, 2017		$ 66,573	$ 80,585	$ (13,266)	$ (746)

[1] "RSU" - restricted stock units