XML 71 R21.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Summary of Business and Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Jan. 31, 2013
Accounting Policies [Abstract] |
Depreciation and amortization computed on the straight-line method for financial reporting purposes based upon estimated useful lives | Depreciation and amortization are computed on the straight-line method for financial reporting purposes based upon the following estimated useful lives:
Land improvements | 5 to 25 years
Buildings and building improvements | 5 to 40 years
Machinery and equipment | 3 to 10 years
Leasehold improvements | shorter of lease or useful life
Asset retirement obligations related to leased manufacturing facilities |
| January 31,
| 2013 |  | 2012
Balance at beginning of period | $ | 545,000 |  |  | $ | 636,000 |
Decrease in obligation | — |  |  | (100,000 | )
Accretion expense | 9,000 |  |  | 9,000 |
Balance at end of period | $ | 554,000 |  |  | $ | 545,000 |
Computation of basic and diluted loss per share | The following table sets forth the computation of basic and diluted loss per share:
In thousands, except per share data | 2012 |  | 2011 |  | As Adjusted 2010
Numerator |  |  |  |  |
Net loss | $ | (3,830 | ) |  | $ | (13,803 | ) |  | $ | (17,594 | )
Denominator |  |  |  |  |
Weighted-average shares — basic | 14,387 |  |  | 14,235 |  |  | 14,130 |
Common equivalent shares from common stock options and warrants | — |  |  | — |  |  | — |
Weighted-average shares — diluted (1) | 14,387 |  |  | 14,235 |  |  | 14,130 |
Net loss per common share |  |  |  |  |
Basic | $ | (0.27 | ) |  | $ | (0.97 | ) |  | $ | (1.25 | )
Diluted | (0.27 | ) |  | (0.97 | ) |  | (1.25 | )
___________________
(1) | For the years ended January 31, 2013, 2012 and 2011, approximately 119,000 , 56,000 and 59,000, respectively, shares of common stock equivalents were excluded in the computation of diluted net income per share, as the effect would be anti-dilutive.

X
- Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
Name: | us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration