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Lease information | 12 Months Ended
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Jan. 31, 2013
Lease information [Abstract] |
Lease information [Text Block] | Note 6 - Lease information
Property under capitalized leases | 2012 |  | 2011 |
Machinery and equipment | $3,325 | $1,956
Transportation equipment | 42 |  | 63 |
Computer equipment | 92 |  | 208 |
Subtotal | 3,459 |  | 2,227 |
Less accumulated amortization | 546 |  | 241 |
Total | $2,913 | $1,986
Fixed assets acquired under capital leases | $569 | $917
Fixed assets acquired in previous years now under capital leases |  | $845
The Company has several significant operating lease agreements as follows:
• | Nine acres of land in the Kingdom of Saudi Arabia is leased through 2030 and an additional ten acres of land is leased through 2031.
• | Land for production facilities in the U.A.E of approximately 80,200 square feet is leased until June 30, 2030. Office space and land for production facilities of approximately 37,700 square feet in the U.A.E. is leased until July 2032.
• | Office space of approximately 12,000 square feet in Virginia is leased through July 31, 2013.
At January 31, 2013, future minimum annual rental commitments under non-cancelable lease obligations were as follows:
| Operating Leases | Capital Leases
2013 | $1,779 | $756
2014 | 1,428 |  | 703 |
2015 | 1,286 |  | 686 |
2016 | 1,247 |  | 659 |
2017 | 1,197 |  | 140 |
Thereafter | 2,712 |  | — |
Subtotal | 9,649 |  | 2,944 |
Less Amount representing interest |  | 360 |
Future minimum lease payments | $9,649 | $2,584
Rental expense for operating leases was $2.1 million and $2.5 million in 2012 and 2011, respectively

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- Definition The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 1,3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -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. + Details
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