Related Party Transactions	9 Months Ended
	Sep. 30, 2021
Related Party Transactions [Abstract]
Related Party Transactions	Related Party TransactionsOn March 20, 2020, we sold an aggregate of 3,931,428 shares of our common stock at a purchase price of $0.175 per share to the five members of our Board of Directors in a private placement exempt from registration under Section 4(a)(2) and Rule 506(b) of Regulation D under the Securities Act of 1933, as amended. We received proceeds of $688,000 in this offering. The purchase price of the shares of our common stock sold in the offering exceeded the closing market price of our common stock on March 19, 2020, the trading day immediately preceding the day the binding Insider Subscription Agreements were executed by the purchasers. The purchasers were all accredited investors. We did not pay any commissions or finder’s fees, and we used the proceeds for general working capital.