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FAIR VALUE MEASUREMENTS | 12 Months Ended
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Dec. 31, 2019
Fair Value Disclosures [Abstract] |
FAIR VALUE MEASUREMENTS | 4. FAIR VALUE MEASUREMENTS ASC 820, Fair Value Measurements and Disclosures (“ASC 820”), defines fair value as the price that would be received to sell an asset, or paid to transfer a liability, in the principal or most advantageous market in an orderly transaction between market participants on the measurement date. The fair value standard also establishes a three level hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability on the measurement date. The three levels are defined as follows:
| ● | Level 1 - inputs to the valuation methodology are quoted prices (unadjusted) for an identical asset or liability in an active market.
| ● | Level 2 - inputs to the valuation methodology include quoted prices for a similar asset or liability in an active market or model derived valuations in which all significant inputs are observable for substantially the full term of the asset or liability.
| ● | Level 3 - inputs to the valuation methodology are unobservable and significant to the fair value measurement of the asset or liability.
At December 31, 2019, the Company’s financial instruments included the right to receive (i) 175,000 shares of common stock, par value $0.001 per share, of CleanSpark Common Stock, (ii) a five-year warrant to purchase 50,000 shares of CleanSpark Common Stock at an exercise price of $16.00 per share, and (iii) a five-year warrant to purchase 50,000 shares of CleanSpark Common Stock at an exercise price of $20.00 per share. The carrying amounts reported in the accompanying financial statements for cash and cash equivalents, receivables, inventories, accounts payable and accrued expenses and other current liabilities approximate their respective fair values because of the short-term nature of these accounts. The share quantities and exercise prices of warrants reflect the 10:1 stock split completed by CleanSpark in December 2019. The following table presents, for each of the fair value hierarchy levels required under ASC 820, the Company’s assets that are measured at fair value on a recurring basis:
|  | December 31, 2019 Fair Value Measurements Using
|  | Quoted prices in active markets for identical assets (Level 1) |  | Significant other observable inputs (Level 2) |  | Significant unobservable inputs (Level 3)
| Assets |  |  |  |  |  |  |  |  |  |  |  |  |
| Common shares |  |  | $ | 936 |  |  | $ | — |  |  | $ | — |
| Warrants |  |  |  | — |  |  |  | — |  |  |  | 531 |
Level 3 Valuation The warrant asset (which relates to warrants to purchase shares of common stock) is marked-to-market each reporting period with the change in fair value recorded to other income (expense) in the accompanying statements of operations until the warrants are exercised. The fair value of the warrant asset is estimated using a Black-Scholes option-pricing model. The significant assumptions used in preparing the option pricing model for valuing the warrant asset as of December 31, 2019, include (i) volatility of 282%, (ii) risk free interest rate of 1.66%, (iii) strike price ($16.00 and $20.00), (iv) fair value of common stock ($5.40), and (v) expected life of 4.07 years. The table presented below is a summary of changes in the fair value of the Company’s Level 3 valuation for the CleanSpark warrants for the year ended December 31, 2019:
|  | CleanSpark Warrants
Balance at December 31, 2018 |  | $ | — |
Issuance of warrants |  |  | 1,479 |
Change in fair value |  |  | (948 | )
Balance at December 31, 2019 |  | $ | 531 |
No other changes in valuation techniques or inputs occurred during the year ended December 31, 2019. No transfers of assets between Level 1 and Level 2 of the fair value measurement hierarchy occurred during the year ended December 31, 2019.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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