Preferred Stock (Notes)	12 Months Ended
Dec. 31, 2020
Preferred Stock [Abstract]
Preferred Stock [Text Block]	Preferred StockThe Company has authorized 5,000,000 shares of preferred stock. The Board of Directors has designated 60,000 shares of such preferred stock as Series A Junior Participating Preferred Stock (“Series A Preferred”). Holders of the shares of Series A Preferred are entitled to dividends equal to 1,000 times dividends declared or paid on the Company's common stock. Each share of Series A Preferred entitles the holder to 1,000 votes on all matters submitted to the holders of common stock. The Series A Preferred has a liquidation preference of $1,000 per share and is not redeemable by the Company. No shares of preferred stock have been issued.

Preferred Stock (Notes)

12 Months Ended

Dec. 31, 2020

Preferred StockThe Company has authorized 5,000,000 shares of preferred stock. The Board of Directors has designated 60,000 shares of such preferred stock as Series A Junior Participating Preferred Stock (“Series A Preferred”). Holders of the shares of Series A Preferred are entitled to dividends equal to 1,000 times dividends declared or paid on the Company's common stock. Each share of Series A Preferred entitles the holder to 1,000 votes on all matters submitted to the holders of common stock. The Series A Preferred has a liquidation preference of $1,000 per share and is not redeemable by the Company. No shares of preferred stock have been issued.