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Fair Value Measurements
9 Months Ended
Sep. 30, 2015
Fair Value Disclosures [Abstract]  
Fair Value Measurements
Fair Value Measurements

The fair value topic of the FASB Accounting Standards Codification 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. The accounting guidance also establishes a fair value hierarchy which requires an entity to maximize the use of observable inputs, where available, and minimize the use of unobservable inputs when measuring fair value. There are three levels of inputs that may be used to measure fair value:
 
Level 1 - Unadjusted quoted prices in active markets for identical assets or liabilities. The Company currently does not have any Level 1 financial assets or liabilities.
 
Level 2 - Observable inputs other than quoted prices included in Level 1. Level 2 inputs include quoted prices for identical assets or liabilities in non-active markets, quoted prices for similar assets or liabilities in active markets and inputs other than quoted prices that are observable for substantially the full term of the asset or liability. The Company considers its convertible debentures a level 2 liability and believes that its carrying value approximates fair value.
 
Level 3 - Unobservable inputs reflecting management’s own assumptions about the input used in pricing the asset or liability.

As of September 30, 2015, the Company has classified the warrants with Put and Call rights as Level 3 (see Note 4. "Warrant Liability”). The Company estimated the fair value of the warrants using a Black-Scholes option pricing model under various probability-weighted outcomes which take into consideration the protective, but limited, cash-settlement feature of the warrants. At issuance, the following average assumptions were assigned to the varying outcomes: expected volatility of 57.0%, risk free interest rate of 2.08%, expected life of five years and no dividends. The Company estimated the fair value of the warrants at September 30, 2015 using this same model with the following average assumptions assigned to the varying outcomes: expected volatility of 122.0%, risk free interest rates of 1.52%, expected lives of 0.21 years years and no dividends. As of September 30, 2015, the financial liabilities held by the Company in other current liabilities and measured at fair value on a recurring basis (which consist solely of the warrant liability) were $2. The following table summarizes the warrant liability activity for the period: 

 
Warrant Liability
Fair value at December 31, 2014
$
6,780

Fair value adjustment year-to-date
(6,778
)
Fair value at September 30, 2015
$
2



In connection with recognizing the distribution of energy systems to the noncontrolling interest in ADGNY (see Note 6. "Stockholders' Equity"), the Company utilized Level 3 category fair value measurements. Those measurements employed the use of discounted cash flow analysis to determine the fair value of those energy systems. The estimated expected cash flows were discounted at a rate of 12% per annum.