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Summary of Significant Accounting Policies (Policies)
 12 Months Ended
Dec. 31, 2017
Accounting Policies [Abstract]  
Nature of Business

Nature of Business –Sigma Labs, Inc., formerly named Framewaves, Inc., a Nevada corporation, was founded by a group of scientists, engineers and businessmen to develop and commercialize novel and unique manufacturing and materials technologies. Sigma believes that some of these technologies will fundamentally redefine conventional quality assurance and process control practices by embedding them into the manufacturing processes in real time, enabling process intervention and ultimately leading to closed loop process control. The Company anticipates that its core technologies will allow its clientele to combine advanced manufacturing quality assurance and process control protocols with novel materials to achieve breakthrough product potential in many industries including aerospace, defense, oil and gas, bio-medical, and power generation. The terms the “Company,” “Sigma,” “we,” “us” and “our” refer to Sigma Labs, Inc.
Basis of Presentation

Basis of Presentation – The accompanying financial statements have been prepared by the Company in accordance with Generally Accepted Accounting Principles (“GAAP”) in the United States of America. In the opinion of management, all adjustments (which include only normal recurring adjustments) necessary to present fairly the financial position, results of operations and cash flows at December 31, 2017 and 2016 and for the periods then ended have been made.
Reclassification

Reclassification – Certain amounts in prior-period financial statements have been reclassified for comparative purposes to conform to presentation in the current-period financial statements.
Loss Per Share

Loss Per Share – The computation of loss per share is based on the weighted average number of shares outstanding during the period in accordance with ASC Topic No. 260, “Earnings Per Share.” Shares underlying the Companies outstanding warrants, options or note conversion features were excluded due to the anti-dilutive effect they would have on the computation. At December 31, 2017 the Company had 1,434,000 warrants, 299,938 stock options and a $100,000 Convertible Note Payable outstanding. The total number of shares of common stock underlying these instruments is 1,783,938.
Property and Equipment

Property and Equipment – Property and equipment are stated at cost. Expenditures for major renewals and betterments that extend the useful lives of property and equipment are capitalized upon being placed in service. Expenditures for maintenance and repairs are charged to expense as incurred. Depreciation is computed using the straight-line method over the estimated useful lives of the assets. The estimated life has been determined to be five years unless a unique circumstance exists, which is then fully documented as an exception to the policy.

 

In accordance with its policy, the Company reviews the estimated useful lives of its fixed assets on an ongoing basis. This review indicated that the actual useful life of the leasehold improvements the Company made to the leased facilities at 3900 Paseo del Sol, Santa Fe, New Mexico in 2014, is less than the fifteen year estimated useful life that was being used for amortization purposes in the Company’s financial statements. As a result, effective January 1, 2017, the Company changed the estimated useful life of these improvements to seven years. The effect of this change in estimate was to increase 2017 amortization expense by $12,291 and increase 2017 net loss by $8,509.
Fair Value of Financial Instruments

Fair Value of Financial Instruments - The Company applies ASC 820, “Fair Value Measurements.” This guidance defines fair value, establishes a three-level valuation hierarchy for disclosures of fair value measurement and enhances disclosure requirements for fair value measures. The three levels are defined as follows:

 

  ● Level 1 inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.

 

  ● Level 2 inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.

 

  ● Level 3 inputs to valuation methodology are unobservable and significant to the fair measurement.

   

The carrying amounts reported in the balance sheets for the cash and cash equivalents, prepaid stock compensation, receivables, accounts payable, and accrued liabilities each qualify as financial instruments and are a reasonable estimate of fair value because on the short period of time between the origination of such instruments and their expected realization and their current market rate of interest.

 

Fair value of financial instruments is as follows:

 

    December 31, 2017   December 31, 2016
    Fair Value    

Input

Level

   Fair Value    

Input

Level

                     
Derivative liability –Notes & Warrants   $ -     Level 3   $ 93,206     Level 3
                         

  

The derivative liability was the result of the original $1 million of Notes, and the 80,000 warrants (post reverse stock split), that were issued in October 2016, both of which contain anti-dilution provisions in the event the Company engages in specified transactions which occurred in February 2017. As a result, the instruments no longer required derivative treatment and were written off in February 2017. The following table presents a reconciliation of the derivative liability measured at fair value on a recurring basis using significant unobservable input (Level 3):

 

    Notes & Warrants  
Balance December 31, 2016   $ 93,206  
Change in fair value     186,908  
Write-off of derivative     (280,114 )
Balance December 31, 2017   $ -  
Income Taxes

Income Taxes – The Company accounts for income taxes in accordance with ASC Topic No. 740, “Accounting for Income Taxes.”

 

The Company has no tax positions at December 31, 2017 and 2016 for which the ultimate deductibility is highly certain but for which there is uncertainty about the timing of such deductibility.

 

The Company recognizes interest accrued related to unrecognized tax benefits in interest expense and penalties in operating expenses. During the years ended December 31, 2017 and 2016, the Company recognized no interest and penalties. All tax years starting with 2014 are open for examination.
Accounts Receivable and Allowance for Doubtful Accounts

Accounts Receivable and Allowance for Doubtful Accounts - Trade accounts receivable are carried at original invoice amount less an estimate made for doubtful accounts. We determine the allowance for doubtful accounts by identifying potential troubled accounts and by using historical experience and future expectations applied to an aging of accounts. Trade accounts receivable are written off when deemed uncollectible. Recoveries of trade accounts receivable previously written off are recorded as income when received. There was no allowance for doubtful accounts at December 31, 2017 or 2016.
Long-Lived and Intangible Assets

Long-Lived and Intangible Assets – Long-lived assets and certain identifiable definite life intangibles to be held and used by the Company are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. The Company continuously evaluates the recoverability of its long-lived assets based on estimated future cash flows and the estimated liquidation value of such long-lived assets, and provides for impairment if such undiscounted cash flows are insufficient to recover the carrying amount of the long-lived assets. If impairment exists, an adjustment is made to write the asset down to its fair value, and a loss is recorded as the difference between the carrying value and fair value. Fair values are determined based on quoted market values, discounted cash flows or internal and external appraisals, as applicable. Assets to be disposed of are carried at the lower of carrying value or estimated net realizable value. No impairment was recorded in the years ended December 31, 2017 or 2016.
Cash Equivalents

Cash Equivalents - The Company considers all highly liquid investments with an original maturity of three months or less at date of purchase to be cash equivalents.
Concentration of Credit Risk

Concentration of Credit Risk - The Company maintains its cash in bank deposit accounts, which, at times, may exceed federally insured limits. The Company has not experienced any losses in such accounts and believes it is not exposed to any significant credit risk on cash and cash equivalents.
Stock Based Compensation

Stock Based Compensation – The Company recognizes compensation costs to employees under ASC Topic No. 718, “Compensation – Stock Compensation.” Under ASC Topic No. 718, companies are required to measure the compensation costs of share-based compensation arrangements based on the grant-date fair value and recognize the costs in the financial statements over the period during which employees are required to provide services. Share based compensation arrangements may include stock options, grants of shares of common stock with and without restrictions, performance-based awards, share appreciation rights and employee share purchase plans. As such, compensation cost is measured on the date of grant at its fair value. Such compensation amounts, if any, are amortized over the respective vesting periods of the option or stock grants.

 

Equity instruments issued to non-employees are recorded on the basis of the fair value of the instruments, as required by ASC Topic No. 505, “Equity Based Payments to Non-Employees.” In general, the measurement date is either (a) when a performance commitment, as defined, is reached or (b) the earlier of the date that (i) the non-employee performance requirement is complete or (ii) the instruments are vested. The measured value related to the instruments is recognized over a period based on the facts and circumstances of each particular grant as defined in the FASB Accounting Standards Codification.
Amortization

Amortization - Utility patents are amortized over a 17 year period. Patents which are pending are not amortized.
Accounting Estimates

Accounting Estimates - The preparation of financial statements in conformity with generally accepted accounting principles in the United States requires management to make estimates and assumptions that affect certain reported amounts of assets and liabilities, the disclosures of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimated by management. Significant accounting estimates that may materially change in the near future are impairment of long-lived assets, values of stock compensation awards and stock equivalents granted as offering costs, and allowance for bad debts and inventory obsolescence.
Revenue Recognition

Revenue Recognition – The Company’s revenue is derived primarily from sales of our software and related hardware suite and from providing engineering services under contracts. The Company recognizes revenue in accordance with ASC Topic No. 605 based on the following criteria: Persuasive evidence of an arrangement exists, services have been rendered, the price is fixed or determinable, and collectability is reasonably assured. In general, the Company recognizes service revenue as significant services under the relevant arrangement have been performed.
Deferred Stock Offering Costs

Deferred Stock Offering Costs – Costs related to stock offerings (if any) are deferred and will be offset against the proceeds of the offering in additional paid-in capital. In the event a stock offering is unsuccessful, the costs relating to the offering will be written-off directly to expense.
Inventory

Inventory – Inventories consisting of raw materials used in the production of customized parts totaled $192,705 and $187,241, as of December 31, 2017 and 2016, respectively, and nominal work-in-process components which will be sold to customers. Inventories are valued at the lower of cost or market, using the first-in, first-out (FIFO) method.
Research and Development

Research and Development – Research and development costs are expensed as they are incurred. Research and development costs for the years ended December 31, 2017 and 2016 were $302,043 and $120,638, respectively.