XML 42 R19.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Share-Based Payments (Tables) | 9 Months Ended
--- | ---
Jan. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] | As of January 31, 2015, $158 of stock compensation is included within accrued liabilities line item on the balance sheet. Stock-based compensation expense was recognized as follows (in thousands):
|  | Three Months Ended |  | Nine Months Ended |
|  | January 31, |  | January 31, |
|  | 2015 |  | 2014 |  | 2015 |  | 2014 |
General and administrative |  | $ | 474 |  | $ | 866 |  | $ | 1,530 |  | $ | 1,686 |
Sales and marketing |  |  | 114 |  |  | 63 |  |  | 447 |  |  | 189 |
Research and development |  |  | 65 |  |  | 4 |  |  | 267 |  |  | 19 |
TOS cost of sales |  |  | 2 |  |  | 2 |  |  | 20 |  |  | 12 |
POS cost of sales |  |  | 2 |  |  | 6 |  |  | 20 |  |  | 62 |
Total stock-based compensation expense |  | $ | 657 |  | $ | 941 |  | $ | 2,284 |  | $ | 1,968 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] | Black-Scholes assumptions used to calculate the fair value of options granted during the three and nine months ended January 31, 2015 and 2014 were as follows (in thousands):
|  | Three Months Ended |  | Nine Months Ended |
|  | January 31, |  | January 31, |
|  | 2015 |  | 2014 |  | 2015 |  | 2014 |
Expected term in years |  | - |  | 5 - 6 |  | 3 - 6 |  | 5 - 6 |
Risk-free interest rates |  | - |  | 1.4% - 2.1% |  | 0.79% - 1.94% |  | 0.8% - 2.4% |
Volatility |  | - |  | 97% - 102% |  | 85.8% - 102.1% |  | 97% - 102% |
Dividend yield |  | - |  | 0% |  | 0% |  | 0% |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | The Company’s stock options activity for the nine months ended January 31, 2015 is as follows:
|  |  |  |  |  |  |  |  |  | Weighted |  |  |
|  |  |  |  |  |  |  | Weighted |  | Average |  |  |
|  |  |  | Directors |  |  |  | Average |  | Remaining |  | Aggregate |
|  | Non- |  | and |  |  |  | Exercise |  | Contractual |  | Intrinsic |
|  | Employees |  | Employees |  | Total |  | Price |  | Life (Years) |  | Value |
Outstanding, May 1, 2014 |  | 765,000 |  | 22,586,037 |  | 23,351,037 |  | $ | 1.01 |  | 7.5 |  | $ | 985 |
Granted |  | 80,000 |  | 1,013,175 |  | 1,093,175 |  |  | 0.72 |  | 5.9 |  |  | - |
Exercised |  | - |  | (3,750) |  | (3,750) |  |  | 0.49 |  |  |  |  |  |
Forfeited |  | - |  | (101,250) |  | (101,250) |  |  | 0.96 |  |  |  |  |  |
Expired |  | (150,000) |  | (199,204) |  | (349,204) |  |  | 1.04 |  |  |  |  |  |
Outstanding, January 31, 2015 |  | 695,000 |  | 23,295,008 |  | 23,990,008 |  |  | 1.00 |  | 6.6 |  |  | 63 |
Vested and expected to vest as of January 31, 2015 |  | 695,000 |  | 23,295,008 |  | 23,990,008 |  |  | 1.00 |  | 6.6 |  |  | 63 |
Exercisable as of January 31, 2015 |  | 487,500 |  | 16,544,466 |  | 17,031,966 |  |  | 0.91 |  | 5.8 |  |  | 62 |
Warrant [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] | Assumptions used to calculate the fair value of these warrants were as follows:
|  | January 31, |  | April 30, |
|  | 2015 |  | 2014 |
Expected term in years |  | 1.2 - 3.0 |  | 1.9 - 3.7 |
Risk-free interest rates |  | 0.6% - 1.05% |  | 0.4% - 1.17% |
Volatility |  | 73% - 100% |  | 95% - 113% |
Dividend yield |  | 0% |  | 0% |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | Activity related to these warrants, which expire at various dates through April 2016, is summarized as follows (dollars in thousands):
|  |  |  |  |  | Weighted |  |  |
|  |  |  | Weighted |  | Average |  |  |
|  | Number |  | Average |  | Remaining |  | Aggregate |
|  | of |  | Exercise |  | Contractual |  | Intrinsic |
|  | Shares |  | Price |  | Life (Years) |  | Value |
Outstanding, May 1, 2014 |  | 3,276,667 |  | $ | 0.61 |  | 2.9 |  | $ | 984 |
Granted |  | - |  |  | - |  | - |  |  | - |
Exercised |  | - |  |  | - |  | - |  |  | - |
Expired |  | (150,000) |  |  | - |  | - |  |  | - |
Outstanding, January 31, 2015 |  | 3,126,667 |  | $ | 0.60 |  | 2.3 |  | $ | - |

X
- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |