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Significant Accounting Policies (Policies)
 6 Months Ended
Dec. 31, 2015
Accounting Policies [Abstract]  
Consolidated financial statements

Consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation.
Cash and cash equivalents

Cash and cash equivalents consist of cash in the bank and temporary investments with maturities of 90 days or less when purchased.
Allowance for accounts receivable

Allowance for accounts receivable, is calculated by taking 100% of the total of invoices that are over 90 days past due from the due date and 10% of the total of invoices that are over 60 days past due from the due date for U.S. based accounts and 100% of invoices that are over 120 days past due for China based accounts. Accounts receivable are customer obligations due under normal trade terms. We perform continuing credit evaluations of our customers’ financial condition. If our actual collection experience changes, revisions to our allowance may be required. After all attempts to collect a receivable have failed, the receivable is written off against the allowance.
Inventories

Inventories, which consist principally of raw materials, tooling, work-in-process and finished lenses, collimators and assemblies are stated at the lower of cost or market, on a first-in, first-out basis. Inventory costs include materials, labor and manufacturing overhead. Acquisition of goods from our vendors has a purchase burden added to cover customs, shipping and handling costs. Fixed costs related to excess manufacturing capacity have been expensed. We look at the following criteria for parts to consider for the inventory reserve: items that have not been sold in two years or that have not been purchased in two years or of which we have more than a two-year supply.  These items as identified are reserved at 100%, as well as reserving 50% for other items deemed to be slow moving within the last twelve months and reserving 25% for items deemed to have low material usage within the last six months. The parts identified are adjusted for recent order and quote activity to determine the final inventory reserve. 
Property and equipment

Property and equipment are stated at cost and depreciated using the straight-line method over the estimated useful lives of the related assets ranging from one to ten years. Leasehold improvements are amortized over the shorter of the lease term or the estimated useful lives of the related assets using the straight-line method. Construction in process represents the accumulated costs of assets not yet placed in service and primarily relates to manufacturing equipment.
Long-lived assets

Long-lived assets, such as property, plant, and equipment and purchased intangibles subject to amortization, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to its estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized in the amount by which the carrying amount of the asset exceeds the fair value of the asset. Assets to be disposed of would be separately presented in the balance sheet and reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated. The assets and liabilities of a disposed group classified as held for sale would be presented separately in the appropriate asset and liability sections of the balance sheet.
Deferred rent

Deferred rent relates to certain of our operating leases containing predetermined fixed increases of the base rental rate during the lease term being recognized as rental expense on a straight-line basis over the lease term, as well as applicable leasehold improvement incentives provided by the landlord. We have recorded the difference between the amounts charged to operations and amounts payable under the leases as deferred rent in the accompanying consolidated balance sheets.
Income taxes

Income taxes are accounted for under the asset and liability method. Deferred income tax assets and liabilities are computed on the basis of differences between the financial statement and tax basis of assets and liabilities that will result in taxable or deductible amounts in the future based upon enacted tax laws and rates applicable to the periods in which the differences are expected to affect taxable income. Valuation allowances have been established to reduce deferred tax assets to the amount expected to be realized.

We have not recognized a liability for uncertain tax positions. A reconciliation of the beginning and ending amount of unrecognized tax benefits or penalties has not been provided since there has been no unrecognized benefit or penalty. If there were an unrecognized tax benefit or penalty, we would recognize interest accrued related to unrecognized tax benefits in interest expense and penalties in operating expenses.

We file U.S. Federal income tax returns, and various states and foreign jurisdictions. Our open tax years subject to examination by the Internal Revenue Service and the Florida Department of Revenue generally remain open for three years from the date of filing.

Our cash, cash equivalents totaled approximately $2.5 million at December 31, 2015. Of this amount, approximately 44% was held by our foreign subsidiaries in China. These foreign funds were generated in China as a result of foreign earnings. Before any funds can be repatriated, the retained earnings in China must equal at least 150% of the registered capital. As of December 31, 2015, we have retained earnings of approximately $2.2 million and we need to have approximately $11.3 million before repatriation will be allowed. We currently do not anticipate that we will need funds generated from foreign operations to fund our domestic operations. In the event that funds from foreign operations are needed to fund operations in the United States, if United States taxes have not been previously provided on the related earnings, we would provide for and pay additional United States taxes at the time we change our intention with regard to the reinvestment of those earnings.
Revenue

Revenue is recognized from product sales when products are shipped to the customer, provided that we have received a valid purchase order, the price is fixed, title has transferred, collection of the associated receivable is reasonably assured, and there are no remaining significant obligations. Product development agreements are generally short term in nature with revenue recognized upon shipment to the customer for products, reports or designs. Invoiced amounts for sales for value-added taxes (“VAT”) are posted to the balance sheet and not included in revenue. 
Value added tax

Value added tax (“VAT”) is computed on the gross sales price on all sales of our products sold in the People’s Republic of China. The VAT rates range up to 17%, depending on the type of products sold. The VAT may be offset by VAT paid by us on raw materials and other materials included in the cost of producing or acquiring our finished products. We recorded a VAT receivable net of payments in the accompanying financial statements.
New product development

New product development costs are expensed as incurred.
Stock-based compensation

Stock-based compensation is measured at grant date, based on the fair value of the award, and is recognized as an expense over the employee’s requisite service period.  We estimate the fair value of each restricted stock unit or stock option as of the date of grant using the Black-Scholes-Merton pricing model. Most awards granted under our Amended and Restated Omnibus Incentive Plan (the “Plan”) vest ratably over two to four years and generally have four to ten-year contract lives.  The volatility rate is based on historical trends in common stock closing prices and the expected term was determined based primarily on historical experience of previously outstanding awards.  The interest rate used is the U.S. Treasury interest rate for constant maturities. The likelihood of meeting targets for option grants that are performance based are evaluated each quarter. If it is determined that meeting the targets is probable then the compensation expense will be amortized over the remaining vesting period.
Management estimates

Management estimates. Management makes estimates and assumptions during the preparation of our consolidated financial statements that affect amounts reported in the financial statements and accompanying notes. Such estimates and assumptions could change in the future as more information becomes available, which in turn could impact the amounts reported and disclosed herein.
Fair value of financial instruments

Fair value of financial instruments. We account for financial instruments in accordance with ASC 820, which provides a framework for measuring fair value and expands required disclosure about fair value measurements of assets and liabilities.  ASC 820 defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. ASC 820 also establishes a fair value hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The standard describes three levels of inputs that may be used to measure fair value:

Level 1 - Quoted prices in active markets for identical assets or liabilities.

Level 2 - Inputs other than quoted prices included within Level 1 that are either directly or indirectly observable.

Level 3 - Unobservable inputs that are supported by little or no market activity, therefore requiring an entity to develop its own assumptions about the assumptions that market participants would use in pricing.

Fair value estimates discussed herein are based upon certain market assumptions and pertinent information available to management as of December 31, 2015.  

The respective carrying value of certain on-balance-sheet financial instruments approximated their fair values.  These financial instruments which include cash, receivables, accounts payable and accrued liabilities.  Fair values were assumed to approximate carrying values for these financial instruments since they are short term in nature and their carrying amounts approximate fair values or they are receivable or payable on demand. The fair value of our loan payable approximates its carrying value based upon current rates available to us.

We value our warrant liabilities based on open-form option pricing models which, based on the relevant inputs, render the fair value measurement at Level 3. We base our estimates of fair value for warrant liabilities on the amount it would pay a third-party market participant to transfer the liability and incorporates inputs such as equity prices, historical and implied volatilities, dividend rates and prices of convertible securities issued by comparable companies maximizing the use of observable inputs when available. See further discussion at Note 8.

We do not have any other financial or non-financial assets or liabilities that would be characterized as Level 2 or Level 3 instruments. 
Derivative financial instruments

Derivative financial instruments. We account for derivative instruments in accordance with ASC 815, which requires additional disclosures about our objectives and strategies for using derivative instruments, how the derivative instruments and related hedged items are accounted for, and how the derivative instruments and related hedging items affect the financial statements.

We do not use derivative instruments to hedge exposures to cash flow, market or foreign currency risk.  Terms of convertible debt instruments are reviewed to determine whether or not they contain embedded derivative instruments that are required under ASC 815 to be accounted for separately from the host contract, and recorded on the balance sheet at fair value.  The fair value of derivative liabilities, if any, is required to be revalued at each reporting date, with corresponding changes in fair value recorded in current period operating results.

Freestanding warrants issued by us in connection with the issuance or sale of debt and equity instruments are considered to be derivative instruments.  Pursuant to ASC 815, an evaluation of specifically identified conditions is made to determine whether the fair value of warrants issued is required to be classified as equity or as a derivative liability.
Comprehensive income (loss)

Comprehensive income (loss) is defined as the change in equity (net assets) of a business enterprise during a period from transactions and other events and circumstances from non-owner sources.  It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners.  Comprehensive income (loss) has two components, net income (loss) and other comprehensive income (loss), and is included on the statement of comprehensive income (loss). Our other comprehensive income (loss) consists of foreign currency translation adjustments made for financial reporting purposes.
Business segments

Business segments are required to be reported by us. As we only operate in principally one business segment, no additional reporting is required.
Certain reclassifications

Certain reclassifications of prior period amounts were made to reflect current classifications.
Recent accounting pronouncements

Recent accounting pronouncements. There are new accounting pronouncements issued by the Financial Accounting Standards Board (“FASB”) which are not yet effective. Management does not believe any of these accounting pronouncements will have a material impact on our financial position or operating results.