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Significant Accounting Policies (Policies) | 9 Months Ended
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Mar. 31, 2015
Accounting Policies [Abstract] |
Basis of Accounting, Policy [Policy Text Block] | Basis of Presentation The accompanying interim unaudited condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and applicable rules and regulations. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (U.S. GAAP) have been condensed or omitted pursuant to such rules and regulations. In management’s opinion, all adjustments necessary for a fair presentation of the financial position, results of operations and cash flows have been included and are of a normal, recurring nature. The results of operations for the three and nine months ended March 31, 2015 are not necessarily indicative of the operating results for the full fiscal year or any future periods. You should read the financial statements and these notes, which are an integral part of the financial statements, together with our audited financial statements included in our Annual Report on Form 10-K for the fiscal year ended June 30, 2014 (“2014 Annual Report”). The accounting policies used to prepare the financial statements included in this report are the same as those described in the notes to the consolidated financial statements in our 2014 Annual Report unless otherwise noted below.
New Accounting Pronouncements, Policy [Policy Text Block] | Recent Accounting Pronouncements In May 2014, the FASB issued Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers (Topic 606) (ASU 2014-09), which amends the existing accounting standards for revenue recognition. ASU 2014-09 will require the recognition of revenue at the amount an entity expects to be entitled when products are transferred to customers. ASU 2014-09 will be effective for us beginning in our first quarter of fiscal 2018. Early adoption is not permitted. The new revenue standard may be applied retrospectively to each prior period presented or retrospectively with the cumulative effect recognized as of the date of adoption. We are currently evaluating the impact of adopting the new revenue standard on our consolidated financial statements and whether it will be applied retrospectively to each period presented or with the cumulative effect recognized as of the date of adoption.
Earnings Per Share, Policy [Policy Text Block] | Net Income per Common Share We compute net income per common share using the weighted average number of common shares outstanding during the period, and diluted net income per common share using the additional dilutive effect of all dilutive securities. The dilutive impact of stock options account for the additional weighted average shares of common stock outstanding for our diluted net income per common share computation. We calculated basic and diluted net income per common share as follows (in thousands, except per share data):
|  | Three Months Ended March 31, |  |  | Nine Months Ended March 31, |
|  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 788 |  |  | $ | 622 |  |  | $ | 2,356 |  |  | $ | 904 |
Denominator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares outstanding |  |  | 6,748 |  |  |  | 6,819 |  |  |  | 6,797 |  |  |  | 6,818 |
Dilutive effect of stock options |  |  | 12 |  |  |  | 24 |  |  |  | 35 |  |  |  | 28 |
Diluted weighted average common shares outstanding |  |  | 6,760 |  |  |  | 6,843 |  |  |  | 6,832 |  |  |  | 6,846 |
Basic net income per common share |  | $ | 0.12 |  |  | $ | 0.09 |  |  | $ | 0.35 |  |  | $ | 0.13 |
Diluted net income per common share |  | $ | 0.12 |  |  | $ | 0.09 |  |  | $ | 0.35 |  |  | $ | 0.13 |
Shares related to stock options representing the right to acquire 150,000 shares of common stock for the three months ended March 31, 2015, and 153,000 shares for the nine months ended March 31, 2015, were excluded from the calculation of diluted net income per common share, as the effect of their inclusion would have been anti-dilutive. Shares related to stock options representing the right to acquire 280,019 shares of common stock for the three months ended March 31, 2014, and 303,929 shares for the nine months ended March 31, 2014, were excluded from the calculation of diluted net income per common share, as the effect of their inclusion would have been anti-dilutive.
Revenue Recognition, Policy [Policy Text Block] | Revenue Recognition To recognize revenue, four basic criteria must be met: 1) there is evidence that an arrangement exists; 2) delivery has occurred; 3) the fee is fixed or determinable; and 4) collectability is reasonably assured. Revenue from sales transactions where the buyer has the right to return the product is recognized at the time of sale only if (1) the seller’s price to the buyer is substantially fixed or determinable at the date of sale; (2) the buyer has paid the seller, or the buyer is obligated to pay the seller and the obligation is not contingent on resale of the product; (3) the buyer’s obligation to the seller would not be changed in the event of theft or physical destruction or damage of the product; (4) the buyer acquiring the product for resale has economic substance apart from that provided by the seller; (5) the seller does not have significant obligations for future performance to directly bring about resale of the product by the buyer; and (6) the amount of future returns can be reasonably estimated. We recognize revenue upon determination that all criteria for revenue recognition have been met. The criteria are usually met at the time title passes to the customer, which usually occurs upon shipment. Revenue from shipments where title passes upon delivery is deferred until the shipment has been delivered. We record reductions to gross revenue for estimated returns of private label contract manufacturing products and branded products. The estimated returns are based on the trailing six months of private label contract manufacturing gross sales and our historical experience for both private label contract manufacturing and branded product returns. However, the estimate for product returns does not reflect the impact of a potential large product recall resulting from product nonconformance or other factors as such events are not predictable nor is the related economic impact estimable. We followed the provisions of Accounting Standards Codification (ASC) section 605-25 Revenue Recognition – Multiple-Element Arrangements for all multiple element agreements. In order to recognize revenue related to delivered items under this guidance, the delivered item(s) must have value to the customer on a standalone basis and, if the arrangement includes a general right of return relative to the delivered item, delivery or performance of the undelivered item(s) must be considered probable and substantially in our control. A delivered item is considered a separate unit of accounting when the delivered item has value to the customer (or buyer) on a standalone basis based on the consideration of the relevant facts and circumstances for each arrangement. Arrangement consideration is allocated at the inception of the agreement to all identified units of accounting based on their relative selling prices. The relative selling price for each deliverable is determined using vendor specific objective evidence, or VSOE, of selling price or third-party evidence of selling price if VSOE does not exist. If neither VSOE nor third-party evidence of selling price exists, we use our best estimate of the selling price for the deliverable. The amount of allocable arrangement consideration is limited to amounts that are fixed or determinable. The consideration received is allocated among the separate units of accounting, and the applicable revenue recognition criteria are applied to each of the separate units. Changes in the allocation of the sales price between delivered and undelivered elements can impact revenue recognition but do not change the total revenue recognized under any agreement. If facts and circumstances dictate that a deliverable has standalone value from the undelivered items, the deliverable is identified as a separate unit of accounting and the amounts allocated to the deliverable are recognized upon the delivery of the deliverable, assuming the other revenue recognition criteria have been met. However, if the amounts allocated to the deliverable through the relative selling price allocation exceed the upfront fee, the amount recognized upon the delivery of the deliverable is limited to the upfront fee received. If facts and circumstances dictate that the deliverable does not have standalone value, the transaction price, including any upfront fee payments received, are allocated to the identified separate units of accounting and recognized as those items are delivered and accepted. In addition, we enter into arrangements that provide for milestone payments upon contractually stated events. Under the milestone method, we recognize contingent consideration in its entirety as revenue in the period in which the milestone is achieved. A milestone is considered substantive when it meets all of the following three criteria: 1) The consideration is commensurate with either the entity’s performance to achieve the milestone or the enhancement of the value of the delivered item(s) as a result of a specific outcome resulting from the entity’s performance to achieve the milestone, 2) The consideration relates solely to past performance, and 3) The consideration is reasonable relative to all of the deliverables and payment terms within the arrangement. A milestone is defined as an event (i) that can only be achieved based in whole or in part on either the entity’s performance or on the occurrence of a specific outcome resulting from the entity’s performance, (ii) for which there is substantive uncertainty at the date the arrangement is entered into that the event will be achieved and (iii) that would result in additional payments being due to us. We currently own certain U.S. patents, and each patent’s corresponding foreign patent applications. All of these patents and patent rights relate to the ingredient known as beta-alanine marketed and sold under the CarnoSyn® trade name. We have sold this ingredient to a customer for use in a limited market, and since March 2009 have had an agreement with Compound Solutions, Inc. (CSI) under which we have agreed to grant a license of certain of our patent rights to customers of CSI who purchase beta-alanine from CSI. Before October 1, 2011, we received a fee from CSI that varied based on the amount of net sales of beta-alanine sold by CSI less CSI’s costs and other agreed upon expenses. As of October 1, 2011, we receive a fee from CSI that varies based on the quantity of beta-alanine sold by CSI and the source of such beta-alanine. We elected not to renew our agreement with CSI, which expired on March 31, 2015. Effective April 1, 2015, we began directly selling beta-alanine, and licensing the related patent and trademark rights, in order to take advantage of strategic opportunities, including opportunities to provide additional contract manufacturing services, and to increase our top-line revenue and profit profile. In June 2011, we entered into a license and supply agreement (Agreement) with Abbott Laboratories (Abbott) under which we agreed to grant an exclusive license to Abbott for the use of beta-alanine in certain medical foods and medical nutritionals. Under the terms of the agreement, Abbott paid an initial license fee of $300,000, an additional fee of $300,000 in January 2012, and upon achievement of certain milestones, an additional license fee of $150,000 was paid on October 3, 2012. The license and supply agreement provided Abbott with the right to terminate the agreement at any time up to March 31, 2012, at which time, if not terminated, Abbott was required to pay $4.3 million payable over six annual payments with the initial installment payment of $708,334 due March 31, 2012. We have determined that each of the milestone payments meets the definition of a milestone in accordance with the milestone method of revenue recognition. In February 2012 and June 2012, we amended the Agreement and extended Abbott’s termination rights initially through July 31, 2012 and then further through October 31, 2012 in exchange for two payments of $354,167 each by Abbott to NAI. Abbott made the first payment on March 13, 2012 and the second payment on July 12, 2012. In October 2012, the Agreement was amended for a third time. Unless earlier terminated by Abbott, the amendment requires Abbott to pay to NAI (i) upon earlier of achievement of certain milestones or December 1, 2012, additional license fees of $204,167; (ii) upon earlier of achievement of certain milestones or June 1, 2013, additional license fees of $204,167; (iii) upon earlier of achievement of certain milestones or July 1, 2013, additional license fees of $150,000; (iv) upon earlier of achievement of certain milestones or December 1, 2013, additional license fees of $150,000; and (v) approximately $2.8 million payable over four annual payments beginning on March 31, 2014. The payment noted in (i) was collected in December 2012, the payment noted in (ii) was collected in May 2013, the payment noted in (iii) was collected in July 2013 and the payment noted in (iv) was collected in January 2014. Effective November 27, 2013, citing further time and cost required to bring its anticipated product to market, Abbott exercised its right to terminate the Agreement. We recorded royalty and licensing income as a component of revenue in the amount of $2.3 million during the three months ended March 31, 2015 and $4.7 million during the nine months ended March 31, 2015. We recorded royalty and licensing income as a component of revenue in the amount of $1.1 million during the three months ended March 31, 2014 and $3.8 million during the nine months ended March 31, 2014. These royalty and licensing income amounts resulted in royalty expense paid to the original patent holders from whom NAI acquired the patents and its patent rights. We recognized royalty expense as a component of cost of goods sold in the amount of $270,000 during the three months ended March 31, 2015 and $650,000 during the nine months ended March 31, 2015. We recognized royalty expense as a component of cost of goods sold in the amount of $143,000 during the three months ended March 31, 2014 and $523,000 during the nine months ended March 31, 2014.
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] | Stock-Based Compensation We have an omnibus incentive plan that was approved by our Board of Directors effective as of October 15, 2009 and approved by our stockholders at the Annual Meeting of Stockholders held on November 30, 2009. Under the plan, we may grant nonqualified and incentive stock options and other stock-based awards to employees, non-employee directors and consultants. Our prior equity incentive plan was terminated effective as of November 30, 2009. We estimate the fair value of stock option awards at the date of grant using the Black-Scholes option valuation model. The Black-Scholes option valuation model was developed for use in estimating the fair value of traded options that have no vesting restrictions and are fully transferable. Option valuation models require the input of highly subjective assumptions. Black-Scholes uses assumptions related to volatility, the risk-free interest rate, the dividend yield (which we assume to be zero, as we have not paid any cash dividends) and employee exercise behavior. Expected volatilities used in the model are based on the historical volatility of our stock price. The risk-free interest rate is derived from the U.S. Treasury yield curve in effect in the period of grant. The expected life of stock option grants is derived from historical experience. The fair value of restricted stock shares granted is based on the market price of our common stock on the date of grant. We amortize the estimated fair value of our stock awards to expense over the related vesting periods. During fiscal 2013 we granted a total of 98,000 restricted stock shares to the members of our Board of Directors and certain key members of our management team pursuant to our 2009 Omnibus Incentive plan. These restricted shares partially vested, and the remainder will continue to vest over three years and the unvested portion of these shares cannot be sold or otherwise transferred and the rights to receive dividends, if declared by our Board of Directors, are forfeitable until the shares become vested. During the three months ended September 30, 2013, 10,000 of these shares were forfeited due to the termination of employment of one of the grantees. On March 7, 2014 we granted 105,000 restricted stock shares to the members of our Board of Directors and certain key members of our management team pursuant to our 2009 Omnibus Incentive plan. On March 19, 2015 we granted an additional 105,000 restricted stock shares to the members of our Board of Directors and certain key members of our management team pursuant to our 2009 Omnibus Incentive plan. These restricted stock grants have partially vested and the remainder will vest over three years and the unvested shares cannot be sold or otherwise transferred and the rights to receive dividends, if declared by our Board of Directors, are forfeitable until the shares become vested. Our net income included stock based compensation expense of approximately $92,000 for the three months ended March 31, 2015 and approximately $259,000 for the nine months ended March 31, 2015. Our net income included stock based compensation expense of approximately $46,000 for the three months ended March 31, 2014 and approximately $148,000 for the nine months ended March 31, 2014.
Fair Value Measurement, Policy [Policy Text Block] | Fair Value of Financial Instruments Fair value is defined as the exchange price that would be received to sell an asset or paid to transfer a liability (i.e., the “exit price”) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. We use a three-level hierarchy for inputs used in measuring fair value that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that observable inputs be used when available. Observable inputs are inputs that market participants would use in pricing the asset or liability based on market data obtained from independent sources. Unobservable inputs are inputs that reflect our assumptions about the inputs that market participants would use in pricing the asset or liability and are developed based on the best information available under the circumstances. The fair value hierarchy is broken down into three levels based on the source of inputs. In general, fair values determined by Level 1 inputs use quoted prices (unadjusted) in active markets for identical assets or liabilities that the Company has the ability to access. We classify cash, cash equivalents, and marketable securities balances as Level 1 assets. Fair values determined by Level 2 inputs are based on quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active and models for which all significant inputs are observable or can be corroborated, either directly or indirectly by observable market data. Level 3 inputs are unobservable inputs for the asset or liability, and include situations where there is little, if any, market activity for the asset or liability. These include certain pricing models, discounted cash flow methodologies and similar techniques that use significant unobservable inputs. As of March 31, 2015 and June 30, 2014, we did not have any financial assets or liabilities classified as Level 1, except for assets related to our pension plan. We classify derivative forward exchange contracts as Level 2 assets. The fair value of our forward exchange contracts as of March 31, 2015 was a net asset of $1.9 million. The fair value of our forward exchange contracts as of June 30, 2014 was a liability of $24,000. As of March 31, 2015 and June 30, 2014, we did not have any financial assets or liabilities classified as Level 3. We did not transfer any assets or liabilities between Levels during fiscal 2014 or the three and nine month periods ended March 31, 2015.

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- Definition Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References No definition available. + Details
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- Definition Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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- Definition Disclosure of accounting policy for revenue recognition. If the entity has different policies for different types of revenue transactions, the policy for each material type of transaction is generally disclosed. If a sales transaction has multiple element arrangements (for example, delivery of multiple products, services or the rights to use assets) the disclosure may indicate the accounting policy for each unit of accounting as well as how units of accounting are determined and valued. The disclosure may encompass important judgment as to appropriateness of principles related to recognition of revenue. The disclosure also may indicate the entity's treatment of any unearned or deferred revenue that arises from the transaction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18726-107790 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 13 -Section B -Paragraph Question 1 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 13.B.Q1) -URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18823-107790 + Details
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- Definition Disclosure of accounting policy for stock option and stock incentive plans. This disclosure may include (1) the types of stock option or incentive plans sponsored by the entity (2) the groups that participate in (or are covered by) each plan (3) significant plan provisions and (4) how stock compensation is measured, and the methodologies and significant assumptions used to determine that measurement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -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 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b),(f) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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