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Fair Value of Financial Instruments
6 Months Ended
Jun. 30, 2017
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments

Note 3

Fair Value of Financial Instruments

Our financial instruments consist of cash and cash equivalents, accounts receivable, prepaid expenses, available for sale securities, accounts payable, accrued expenses, notes payable, and a secured revolving line of credit. The carrying values of these financial instruments approximate fair value, due to their short maturities, or for notes payable and the secured revolving line of credit, based on borrowing rates currently available to us for loans with similar terms and maturities, which represent Level 3 inputs.  We recorded our available for sale securities in Bollente, Inc. at the original cost basis and based the fair value of available for sale securities on an analysis of the stock’s trading volume and price as well as guidance from our efforts to sell the securities, which represent Level 2 and Level 3 inputs, respectively. We sold these available for sale securities in March 2017.  We recorded our available for sale warrants to purchase VirTra, Inc. common stock shares based on their estimated value using primarily Level 2 inputs and the Black-Scholes valuation method. Our balance at June 30, 2017 consists of the warrants to purchase VirTra common stock shares.

Activity of available for sale securities for the six months ended June 30, 2017 was as follows:

 

Beginning balance

 

 

84,000

 

Bollente investment sale

 

 

(84,000

)

Investment in VirTra, Inc. warrants

 

 

480,000

 

Ending balance

 

$

480,000