Consolidated Statements of Stockholders’ Equity - USD ($)	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance (in shares) at Jan. 31, 2014		14,718,414
Balance at Jan. 31, 2014	$ 27,605,000	$ 147,000	$ 115,978,000	$ (74,540,000)	$ (13,980,000)
Net income	849,000	0	0	849,000	0
Pension adjustments, net of tax effect	(6,254,000)	$ 0	0	0	(6,254,000)
Shares vested and others (in shares)		134,226
Shares vested and others	(129,000)	$ 2,000	(132,000)	1,000	0
Stock compensation expense	502,000	$ 0	502,000	0	0
Balance (in shares) at Jan. 31, 2015		14,852,640
Balance at Jan. 31, 2015	22,573,000	$ 149,000	116,348,000	(73,690,000)	(20,234,000)
Net income	4,549,000	0	0	4,549,000	0
Pension adjustments, net of tax effect	5,904,000	$ 0	0	0	5,904,000
Shares vested and others (in shares)		145,547
Shares vested and others	(205,000)	$ 1,000	(207,000)	1,000	0
Stock compensation expense	492,000	$ 0	492,000	0	0
Balance (in shares) at Jan. 31, 2016		14,998,187
Balance at Jan. 31, 2016	33,313,000	$ 150,000	116,633,000	(69,140,000)	(14,330,000)
Net income	22,760,000	0	0	22,760,000	0
Pension adjustments, net of tax effect	2,936,000	$ 0	0	0	2,936,000
Shares vested and others (in shares)		181,477
Shares vested and others	(264,000)	$ 2,000	(266,000)	0	0
Stock compensation expense	609,000	$ 0	609,000	0	0
Balance (in shares) at Jan. 31, 2017		15,179,664
Balance at Jan. 31, 2017	$ 59,354,000	$ 152,000	$ 116,976,000	$ (46,380,000)	$ (11,394,000)