Capital Stock	6 Months Ended
Jun. 30, 2019
Equity [Abstract]
Capital Stock	NOTE 11. Capital Stock On January 9, 2019, the Company entered into a fee settlement agreement with a vendor to whom it owed $164,000. In the agreement, the parties agreed to satisfy this obligation by the Company issuing to the vendor 93,448 restricted common shares and warrants to purchase 93,448 common shares at $1.64 per share. The warrants are exercisable beginning July 9, 2019 and expire January 9, 2022. The fair value of the restricted stock on the date of issuance was estimated to be $114,000 using a 25% discount for trading restrictions computed using a risk-free interest rate of 2.52% for the 6-month hold period and an expected volatility of 90% based on the Company’s historical stock price fluctuation. The fair value of the warrants was estimated on the date of issuance at $59,000 using the Black-Scholes pricing model and assuming a 90% volatility rate and a risk-free interest rate of 2.54% based on the 3-year U.S. Treasury rate then in effect. The combined value of the stock and warrants was $173,000, and the Company recorded a loss on extinguishment of debt of $9,000. During March 2019, holders of warrants on 382,165 shares of the Company’s common stock exercised the warrants at the strike price of $3.02 per share, which resulted in aggregate cash proceeds to the Company of $1,154,000.

Capital Stock

6 Months Ended

Jun. 30, 2019

NOTE 11. Capital Stock

On January 9, 2019, the Company entered into a fee settlement agreement with a vendor to whom it owed $164,000. In the agreement, the parties agreed to satisfy this obligation by the Company issuing to the vendor 93,448 restricted common shares and warrants to purchase 93,448 common shares at $1.64 per share. The warrants are exercisable beginning July 9, 2019 and expire January 9, 2022. The fair value of the restricted stock on the date of issuance was estimated to be $114,000 using a 25% discount for trading restrictions computed using a risk-free interest rate of 2.52% for the 6-month hold period and an expected volatility of 90% based on the Company’s historical stock price fluctuation. The fair value of the warrants was estimated on the date of issuance at $59,000 using the Black-Scholes pricing model and assuming a 90% volatility rate and a risk-free interest rate of 2.54% based on the 3-year U.S. Treasury rate then in effect. The combined value of the stock and warrants was $173,000, and the Company recorded a loss on extinguishment of debt of $9,000.

During March 2019, holders of warrants on 382,165 shares of the Company’s common stock exercised the warrants at the strike price of $3.02 per share, which resulted in aggregate cash proceeds to the Company of $1,154,000.