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Property and Equipment | 9 Months Ended
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Jan. 31, 2015
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment Disclosure [Text Block] | Note 3. Property and Equipment Property and equipment is recorded at cost and consists of laboratory equipment, furniture and fixtures, and computer hardware and software. Depreciation is calculated on a straight-line basis over the estimated useful lives of the various assets ranging from three to seven years. Property and equipment consisted of the following (in thousands):
|  | January 31, |  | April 30, |
|  | 2015 |  | 2014 |
|  | (unaudited) |  |  |
Furniture and fixtures |  | $ | 70 |  | $ | 69 |
Computer equipment and software |  |  | 694 |  |  | 655 |
Laboratory equipment |  |  | 457 |  |  | 296 |
Leasehold improvements |  |  | 2 |  |  | 2 |
Total property and equipment |  |  | 1,223 |  |  | 1,022 |
Less: Accumulated depreciation |  |  | (754) |  |  | (588) |
Property and equipment, net |  | $ | 469 |  | $ | 434 |
Depreciation expense was $52 and $56 for the three months ended January 31, 2015 and 2014, respectively, and $166 and $158 for the nine months ended January 31, 2015 and 2014, respectively. As of January 31, 2015 and April 30, 2014, property, plant and equipment included assets held under capital lease of $124 and $0, respectively. Related depreciation expense was $6 and $0, respectively. Capital Lease In November 2014, the Company entered into a lease for laboratory equipment. The lease is a capital lease that has costs of approximately $149 through November 2019. The current monthly capital lease payment is approximately $3. The following is a schedule by years of future minimum lease payments under this capital lease together with the present value of the net minimum lease payments as of January 31, 2015:
For the Years Ended April 30, |  | 2015 |  | $ | 6 |
|  | 2016 |  |  | 23 |
|  | 2017 |  |  | 24 |
|  | 2018 |  |  | 25 |
|  | 2019 |  |  | 26 |
|  | 2020 |  |  | 16 |
Total minimum lease payments |  |  |  | $ | 120 |
Less: current maturity |  |  |  |  | (22) |
Long-term maturity |  |  |  |  | 98 |
The present value of minimum future obligations shown above is calculated based on interest rate of 5%.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 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 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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