Other	12 Months Ended
Dec. 31, 2019
Other [Abstract]
Other	S. OTHER The Company has entered into a licensing agreement with another firm that holds intellectual property on the Rusoh® self-service/self-reloadable fire extinguisher. Under the agreement, the Company has advanced the entity funds and has agreed to pay royalties to the entity on the commercial sales of the developed products. As of December 31, 2019 and 2018, notes receivable plus accrued interest of $7,182,000 and $6,966,000, respectively, related to the license agreement were classified as Notes Receivable on the Company’s Consolidated Balance Sheets. The fire extinguisher was introduced to the commercial market in 2017, and the Company believes that collectability of the notes receivable is probable. During the fourth quarter of 2018 the Company issued a promissory note of $2,300,000 related to an option agreement with OneEvent Technologies, Inc., an unrelated third party. The note was included on the Company’s balance sheet as Notes Receivable, Current at December 31, 2018. The note was forgiven during 2019 with the acquisition of OneEvent. See Note R.

S. OTHER

The Company has entered into a licensing agreement with another firm that holds intellectual property on the Rusoh® self-service/self-reloadable fire extinguisher. Under the agreement, the Company has advanced the entity funds and has agreed to pay royalties to the entity on the commercial sales of the developed products. As of December 31, 2019 and 2018, notes receivable plus accrued interest of $7,182,000 and $6,966,000, respectively, related to the license agreement were classified as Notes Receivable on the Company’s Consolidated Balance Sheets. The fire extinguisher was introduced to the commercial market in 2017, and the Company believes that collectability of the notes receivable is probable.

During the fourth quarter of 2018 the Company issued a promissory note of $2,300,000 related to an option agreement with OneEvent Technologies, Inc., an unrelated third party. The note was included on the Company’s balance sheet as Notes Receivable, Current at December 31, 2018. The note was forgiven during 2019 with the acquisition of OneEvent. See Note R.