COMPUTATION OF NET (LOSS) INCOME PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended |
Apr. 30, 2016 |
Apr. 30, 2015 |
| Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |
|
|
| Net (loss) income |
$ (2,742)
|
$ 549
|
| Less: Dividends declared |
(1,316)
|
(1,299)
|
| Undistributed net loss |
(4,058)
|
(750)
|
| Net (loss) income per share [Abstract] |
|
|
| Dividends declared |
1,316
|
1,299
|
| Allocation of undistributed net loss |
(4,058)
|
(750)
|
| Net (loss) income attributable to common stock |
(2,742)
|
549
|
| Common Class A [Member] |
|
|
| Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |
|
|
| Net (loss) income |
(2,341)
|
468
|
| Less: Dividends declared |
(1,124)
|
(1,107)
|
| Undistributed net loss |
(3,465)
|
(639)
|
| Net (loss) income per share [Abstract] |
|
|
| Dividends declared |
1,124
|
1,107
|
| Allocation of undistributed net loss |
(3,465)
|
(639)
|
| Net (loss) income attributable to common stock |
$ (2,341)
|
$ 468
|
| Weighted average shares of common stock outstanding-basic (in shares) |
15,594
|
15,262
|
| Weighted average potential shares of common stock (in shares) |
0
|
786
|
| Weighted average shares of common stock and potential common shares outstanding-diluted (in shares) |
15,594
|
16,048
|
| Basic net (loss) income per common share (in dollars per share) |
$ (0.15)
|
$ 0.03
|
| Diluted net (loss) income per common share (in dollars per share) |
$ (0.15)
|
$ 0.03
|
| Antidilutive securities excluded from computation of net income per share (in shares) |
2,807
|
326
|
| Common Class B [Member] |
|
|
| Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |
|
|
| Net (loss) income |
$ (401)
|
$ 81
|
| Less: Dividends declared |
(192)
|
(192)
|
| Undistributed net loss |
(593)
|
(111)
|
| Net (loss) income per share [Abstract] |
|
|
| Dividends declared |
192
|
192
|
| Allocation of undistributed net loss |
(593)
|
(111)
|
| Net (loss) income attributable to common stock |
$ (401)
|
$ 81
|
| Weighted average shares of common stock outstanding-basic (in shares) |
3,204
|
3,196
|
| Weighted average potential shares of common stock (in shares) |
0
|
83
|
| Weighted average shares of common stock and potential common shares outstanding-diluted (in shares) |
3,204
|
3,279
|
| Basic net (loss) income per common share (in dollars per share) |
$ (0.13)
|
$ 0.03
|
| Diluted net (loss) income per common share (in dollars per share) |
$ (0.13)
|
$ 0.02
|
| Antidilutive securities excluded from computation of net income per share (in shares) |
349
|
60
|