Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2021	Dec. 31, 2020
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	833,333	833,333
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	41,666,666	41,666,666
Common stock, shares issued	36,780,038	36,480,038
Common stock, shares outstanding	36,780,038	36,480,038
Series B Junior Participating Preferred Stock [Member]
Preferred stock, shares authorized	50,000	50,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0