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Fair Value of Financial Instruments | 12 Months Ended
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Sep. 30, 2017
Fair Value Disclosures [Abstract] |
Fair Value of Financial Instruments | Fair Value of Financial Instruments In partial consideration for the subordinated debt provided by Wynnefield Capital (referred to in Note 5), we issued warrants to purchase 53,619 shares of common stock. As of September 30, 2017, the warrants are outstanding and their fair value was determined to be $306 thousand. The fair value is estimated using the binomial pricing model. The fair value is subjective and is affected by the changes in inputs to the valuation model including the fair value per share of the underlying stock, the expected term of each warrant, volatility of the Company's stock, and risk free rate based on the U.S. Treasury yield curves. Key assumptions used in the valuation of the warrants at issuance include the following:
Risk free interest rate | 1.63 | %
Contractual term | 5 years |
Dividend yield | — | %
Expected lives | 5 years |
Expected volatility | 147 | %
Fair value per warrant | $5.71
The Company recorded a change on the revaluation of the warrant liability of $102 thousand for the year ended September 30, 2017. The change is recorded and classified in other income (expense) in the accompanying consolidated financial statement of operations. Given the provisions that may reduce the exercise price of these warrants in the event that other convertible securities or options have a lower price, these warrants are classified as a liability. The Company measures certain financial assets and liabilities at fair value on a recurring basis. The Company determines fair value based upon the exit price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants, as determined by either the principal market or the most advantageous market. Inputs used in the valuation techniques to derive fair values are classified based on a three level hierarchy. These levels are: Level 1 - Quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities. The fair value hierarchy gives the highest priority to Level 1 inputs. Level 2 - Observable prices that are based on inputs not quoted on active markets, but corroborated by market data. Observable inputs are based on market data obtained from independent sources. Level 3 - Unobservable inputs are used when little or no market data is available. The fair value hierarchy gives the lowest priority to Level 3 inputs. The Company has issued warrants to purchase stock as described above. The liability is classified as a Level 3 expense for all periods. Change in Level 3 liabilities for the year ended September 30, 2017:
| Beginning Balance |  | Realized/Unrealized |  | Purchases and |  | Ending Balance |  |  | Change in Unrealized (gains) losses for liabilities held at
| October 1, 2016 |  | (Gains) Losses |  | Settlements |  | September 30, 2017 |  |  | September 30, 2017
Warrant issued to acquire common stock | $ | 204 |  |  | $ | 102 |  |  | $ | — |  |  | $ | 306 |  |  |  | $ | 102 |
The Company has other financial instruments, including accounts receivable, accounts payable, loan payable, notes payable, and accrued expense. Due to the short term nature of these instruments, DLH estimates that the fair value of all financial instruments at September 30, 2017 and September 30, 2016 does not differ materially from the aggregate carrying values of these financial instruments recorded in the accompanying consolidated balance sheets.

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13504-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 + Details
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