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Correction of immaterial error (Notes)
 6 Months Ended
Jul. 31, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]  
Accounting Changes and Error Corrections [Text Block]
Correction of immaterial errors. An error was identified during the preparation and review of the current quarter financial statements, as stock-based compensation cost and additional paid in capital had been reversed for vested equity awards that expired, terminated or were unexercised. The cumulative adjustment for the stock-based compensation cost covering the period from May 1, 2015 to January 31, 2016 was approximately $846 thousand. The adjustments applicable to the fiscal year ending January 31, 2017 were approximately $95 thousand for the three months ending April 30, 2016, $350 thousand for the three months ending July 31, 2016, $138 thousand for the three months ending October 31, 2016, and $213 thousand for the three months ending January 31, 2017.

Pursuant to the guidance of Staff Accounting Bulletin ("SAB") No. 99, Materiality, the Company concluded that the errors were not material to any of its prior period financial statements. The prior period financial statements were revised, in accordance with SAB No. 108, Considering the Effects of Prior Year Misstatements when Quantifying Misstatements in Current Year Financial Statements.

A reconciliation of the effects of the adjustments to the previously reported balance sheet and stockholders' equity at January 31, 2017 follows:
 
As Reported
Adjustment
Revised
Additional paid in capital
$53,716
$1,642
$55,358
Retained earnings
8,515

(1,642
)
6,873


A reconciliation of the effects of the adjustments to the previously reported statement of operations for the three months ending July 31, 2016 follows:
 
As Reported
Adjustment
Revised
General and administrative expense
$3,370
$350
$3,720
Total operating expenses
4,820

350

5,170

Loss from operations
(1,840
)
(350
)
(2,190
)
Loss from continuing operations before income taxes
(1,937
)
(350
)
(2,287
)
Loss from continuing operations
(860
)
(350
)
(1,210
)
Net income
449

(350
)
99

Loss per share from continuing operations
(0.11
)
(0.05
)
(0.16
)
Earnings per share
0.06

(0.05
)
0.01


A reconciliation of the effects of the adjustments to the previously reported statement of operations for the six months ending July 31, 2016 follows:
 
As Reported
Adjustment
Revised
General and administrative expense
$8,463
$445
$8,908
Total operating expenses
11,317

445

11,762

Loss from operations
(6,345
)
(445
)
(6,790
)
Loss from continuing operations before income taxes
(8,288
)
(445
)
(8,733
)
Loss from continuing operations
(6,954
)
(445
)
(7,399
)
Net loss
(5,845
)
(445
)
(6,290
)
Loss per share from continuing operations
(0.94
)
(0.06
)
(1.00
)
Loss per share
(0.79
)
(0.06
)
(0.85
)

A reconciliation of the effects of the adjustments to the previously reported statement of cash flows for the six months ending July 31, 2016 follows:
 
As Reported
Adjustment
Revised
Net loss
($5,845)
($445)
($6,290)
Stock-based compensation expense
137

445

582