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Summary of Significant Accounting Policies (Policies)
 6 Months Ended
Oct. 31, 2021
Accounting Policies [Abstract]  
Consolidation

(a) Consolidation

 

The accompanying consolidated financial statements include the accounts of the Company and its majority-owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation.

 
Use of Estimates

(b) Use of Estimates

 

The preparation of the consolidated financial statements requires management of the Company to make a number of estimates and assumptions relating to the reported amounts of assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the period. Significant items subject to such estimates and assumptions include, among other items, estimated costs to complete projects and percentage of completion of customer contracts for purposes of revenue recognition. Actual results could differ from those estimates.

 

 
Cash, Cash Equivalents, Restricted Cash and Security Agreements

(c) Cash, Cash Equivalents, Restricted Cash and Security Agreements

 

Cash and Cash Equivalents

 

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. The Company invests excess cash in a money market account. The following table summarizes cash and cash equivalents as of October 31, 2021 and April 30, 2021:

 

   October 31, 2021   April 30, 2021 
   (in thousands) 
Checking and savings accounts  $713   $1,850 
Money market account   71,917    81,178 
   $72,630   $83,028 

 

Restricted Cash and Security Agreements

 

The Company has a letter of credit agreement with Santander Bank, N.A. (“Santander”). Cash of $157,000 is on deposit at Santander and serves as security for a letter of credit issued by Santander for the lease of warehouse/office space in Monroe Township, New Jersey. This agreement cannot be extended beyond July 31, 2025 and is cancellable at the discretion of Santander.

 

Santander also issued two letters of credit to subsidiaries of Enel Green Power (“EGP”) pursuant to the Company’s contracts with EGP. The first letter of credit was issued in the amount of $126,000 that will be released 12 months after the PB3 PowerBuoy® (“PB3”) is fully deployed. The second letter of credit was issued in the amount of $645,000 and was reduced to $323,000 in August 2020. The second letter of credit will be reduced by $64,000 once the PB3 is fully deployed and passes final acceptance testing. The remaining restricted amount of $258,000 will be released 12 months after the buoy is fully deployed.

 

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Balance Sheets that total to the same amounts shown in the Consolidated Statements of Cash Flows.

 

   October 31, 2021   April 30, 2021 
   (in thousands) 
Cash and cash equivalents  $72,630   $83,028 
Restricted cash- short term   384    384 
Restricted cash- long term   222    222 
   $73,236   $83,634 

 
Concentration of Credit Risk

(d) Concentration of Credit Risk

 

Financial instruments that potentially subject the Company to credit risk consist principally of accounts receivable and cash and cash equivalents. The Company believes that its current contracts do not represent a risk of collectability on its receivables. The Company invests its excess cash in a money market account and does not believe that it is exposed to any significant risks related to its cash and money market accounts. Cash and cash equivalents are also maintained at foreign financial institutions. Cash and cash equivalents in foreign financial institutions as of October 31, 2021 was $32,000.

 

 

The table below shows the amount of the Company’s revenues derived from customers whose revenues accounted for at least 10% of the Company’s consolidated revenues for at least one of the periods indicated:

 

   2021   2020   2021   2020 
   Three months ended October 31,   Six months ended October 31, 
   2021   2020   2021   2020 
   (in thousands)   (in thousands) 
Eni S.p.A.  $14   $72   $14   $99 
Department of Energy   81    —    81    — 
EGP   14    42    163    157 
Clark Hill   30    —    37    — 
Matthews   30    —    30    — 
Valaris   47    —    135    — 
Other (no customer over 10%)   31    4    59    31 
Revenues    247    118    519    287 

 
Share-Based Compensation

(e) Share-Based Compensation

 

Costs resulting from all share-based payment transactions are recognized in the consolidated financial statements at their fair values. The following table summarizes share-based compensation related to the Company’s share-based plans by expense category for the three and six months ended October 31, 2021 and 2020:

 

   2021   2020   2021   2020 
   Three months ended October 31,   Six months ended October 31, 
   2021   2020   2021   2020 
   (in thousands)     
Engineering and product development  $125   $22   $342   $59 
Selling, general and administrative   32    85    205    164 
Total share-based compensation expense  $157   $107   $547   $223 

 
Revenue Recognition

(f) Revenue Recognition

 

A performance obligation is the unit of account for revenue recognition. The Company assesses the goods or services promised in a contract with a customer and identifies as a performance obligation either: a) a good or service (or a bundle of goods or services) that is distinct; or b) a series of distinct goods or services that are substantially the same and that have the same pattern of transfer to the customer. A contract may contain a single or multiple performance obligations. For contracts with multiple performance obligations, the Company allocates the contracted transaction price to each performance obligation based upon the relative standalone selling price, which represents the price the Company would sell a promised good or service separately to a customer. The Company determines the standalone selling price based upon the facts and circumstances of each obligated good or service. The majority of the Company’s contracts have no observable standalone selling price since the associated products and services are customized to customer specifications. As such, the standalone selling price generally reflects the Company’s forecast of the total cost to satisfy the performance obligation plus an appropriate profit margin.

 

The nature of the Company’s contracts may give rise to several types of variable consideration, including unpriced change orders and liquidated damages and penalties. Variable consideration can also arise from modifications to the scope of services. Variable consideration is included in the transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized will not occur once the uncertainty associated with the variable consideration is resolved. Our estimates of variable consideration and determination of whether to include such amounts in the transaction price are based largely on our assessment of legal enforceability, performance, and any other information (historical, current, and forecasted) that is reasonably available to us. There was no variable consideration as of October 31, 2021 and 2020. The Company presents shipping and handling costs, that occur after control of the promised goods or services transfer to the customer, as fulfillment costs rather than evaluating whether the shipping and handling activities are promised services to the customer.

 

 

The Company recognizes revenue when or as it satisfies a performance obligation by transferring a good or service to a customer, either (1) at a point in time or (2) over time. A good or service is transferred when, or as, the customer obtains control. The evaluation of whether control of each performance obligation is transferred at a point in time or over time is made at contract inception. Input measures such as costs incurred or time elapsed are utilized to assess progress against specific contractual performance obligations for the Company’s services. The selection of the method to measure progress towards completion requires judgment and is based on the nature of the services to be provided. For the Company, the input method using costs incurred or time elapsed best represents the measure of progress against the performance obligations incorporated within the contractual agreements. If estimated total costs on any contract project a loss, the Company charges the entire estimated loss to operations in the period the loss becomes known. The cumulative effect of revisions to revenue, estimated costs to complete contracts, including penalties, incentive awards, change orders, claims, anticipated losses, and others are recorded in the accounting period in which the events indicating a loss are known and the loss can be reasonably estimated. These loss projects are re-assessed for each subsequent reporting period until the project is complete. Such revisions could occur at any time and the effects may be material.

 

The Company’s contracts are either cost plus or fixed price contracts. Under cost plus contracts, customers are billed for actual expenses incurred plus an agreed-upon fee. Under cost plus contracts, a profit or loss on a project is recognized depending on whether actual costs are more or less than the agreed upon amount.

 

The Company has two types of fixed price contracts, firm fixed price and cost-sharing. Under firm fixed price contracts, the Company receives an agreed-upon amount for providing products and services specified in the contract, and a profit or loss is recognized depending on whether actual costs are more or less than the agreed upon amount. Under cost-sharing contracts, the fixed amount agreed upon with the customer is only intended to fund a portion of the costs on a specific project. Under cost sharing contracts, an amount corresponding to the revenue is recorded in cost of revenues, resulting in gross profit on these contracts of zero. The Company’s share of the costs is recorded as product development expense. The Company reports its disaggregation of revenue by contract type since this method best represents the Company’s business. For the six-month periods ended October 31, 2021 and 2020, all of the Company’s contracts were classified as firm fixed price.

 

As of October 31, 2021, the Company’s total remaining performance obligations, also referred to as backlog, totaled $0.3 million. The Company expects to recognize 100%, or $0.3 million, of the remaining performance obligations as revenue over the next twelve months.

 

The Company also enters into lease arrangements for its PB3 with certain customers. Revenue related to multiple-element arrangements is allocated to lease and non-lease elements based on their relative standalone selling prices or expected cost plus a margin approach. Lease elements generally include a PB3 and components, while non-lease elements generally include engineering, monitoring and support services. In the lease arrangement, the customer is provided an option to extend the lease term or purchase the leased PB3 at some point during and/or at the end of the lease term.

 

Products and Solutions Leasing

 

The Company enters into lease arrangements with certain customers for their products and solutions. As of October 31, 2021, the Company had one lease arrangement with a remaining operating lease term of less than 7 months. Revenue related to multiple-element arrangements is allocated to lease and non-lease elements based on their relative standalone selling prices or expected cost plus a margin approach. Lease elements generally include a PB3 and components, while non-lease elements generally include engineering, monitoring and support services. In the lease arrangement, the customer is provided an option to extend the lease term or purchase the leased PB3 at some point during and/or at the end of the lease term.

 

The Company classifies leases as either operating or financing in accordance with the authoritative accounting guidance contained within ASC Topic 842, “Leases”. At inception of the contract, the Company evaluates the lease against the lease classification criteria within ASC Topic 842. If the direct financing or sales-type classification criteria are met, then the lease is accounted for as a finance lease. All others are treated as operating leases.

 

 

The Company recognizes revenue from operating lease arrangements generally on a straight-line basis over the lease term which is presented in Revenues in the Consolidated Statements of Operations. The lease income for the six months ended October 31, 2021 and 2020 was immaterial.

 
Net Loss per Common Share

(g) Net Loss per Common Share

 

Basic and diluted net loss per common share for all periods presented is computed by dividing net loss by the weighted average number of shares of common stock and common stock equivalents outstanding during the periods. The pre-funded warrants were determined to be common stock equivalents and have been included in the weighted average number of shares outstanding for calculation of the basic earnings per share number. Due to the Company’s net losses, potentially dilutive securities, consisting of options to purchase shares of common stock, warrants on common stock and unvested restricted stock issued to employees and non-employee directors, were excluded from the diluted loss per common share calculation due to their anti-dilutive effect.

 

In computing diluted net loss per common share on the Consolidated Statements of Operations, warrants exercisable for common stock, options to purchase shares of common stock and non-vested restricted stock issued to employees and non-employee directors, totaling 4,928,474 and 5,540,469 for the six months ended October 31, 2021 and 2020, respectively, were excluded from each of the computations as the effect would be anti-dilutive due to the Company’s net losses.

 
Recently Issued Accounting Standards

(h) Recently Issued Accounting Standards

 

In June 2016, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2016-13, “Financial Instruments - Credit Losses (Topic 326), Measurement of Credit Losses on Financial Instruments.” This amendment replaces the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses on instruments within its scope, including trade receivables. This update is intended to provide financial statement users with more decision-useful information about the expected credit losses. In November 2019, the FASB issued No. 2019-10, Financial Instruments—Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842), which deferred the effective date of ASU 2016-13 for Smaller Reporting Companies for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. The Company is currently evaluating the impact the adoption of ASU 2016-13 will have on its consolidated financial statements.