Stockholders’ equity (Tables)

9 Months Ended

Sep. 30, 2023

Equity [Abstract]

Schedule of repurchase of common stock

Period	Total number of shares purchased		Average price paid per share		Total number of shares purchased as part of publicly announced plans or programs		Maximum number (or approximate dollar value) of shares that may yet be purchased under the plans or programs
April 1 through April 30, 2023		0		N/A		44,748		255,252
May 1 through May 31, 2023		0		N/A		44,748		255,252
June 1 through June 30, 2023		22,400	$	0.027		67,148		232,852
July 1 through July 31, 2023		232,852		0.029		300,000		0
August 1 through August 31, 2023		0		0		0		0
September 1 through September 30, 2023		0		0		0		0
TOTAL		300,000	$	0.029		300,000		0