Lightbridge Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity and StockBased Compensation (Details 5)

Stockholders Equity and StockBased Compensation (Details 5)	6 Months Ended
	Jun. 30, 2021 $ / shares shares
Weighted Average Remaining Contractual Life - Years	5 years 9 months 3 days
Number of Awards Stock option outstanding \| shares	563,734
Weighted Average Exercise Price Stock Options Outstanding	$ 18.11
Number of Awards Vested \| shares	514,008
Weighted Average Exercise Price	$ 18.92
Weighted Average Remaining Contractual Life of Stock Options Vested	5 years 7 months 2 days
Range One [Member]
Weighted Average Remaining Contractual Life - Years	5 years 8 months 8 days
Number of Awards Stock option outstanding \| shares	145,218
Weighted Average Exercise Price Stock Options Outstanding	$ 5.06
Number of Awards Vested \| shares	134,753
Weighted Average Exercise Price	$ 5.03
Weighted Average Remaining Contractual Life of Stock Options Vested	5 years 5 months 8 days
Exercise price lower range limit	$ 3.82
Exercise price upper range limit	$ 9.00
Range Two [Member]
Weighted Average Remaining Contractual Life - Years	7 years 1 month 6 days
Number of Awards Stock option outstanding \| shares	132,864
Weighted Average Exercise Price Stock Options Outstanding	$ 10.80
Number of Awards Vested \| shares	94,482
Weighted Average Exercise Price	$ 10.80
Weighted Average Remaining Contractual Life of Stock Options Vested	7 years 1 month 6 days
Exercise price lower range limit	$ 9.01
Exercise price upper range limit	$ 12.48
Range Three [Member]
Weighted Average Remaining Contractual Life - Years	5 years 7 months 20 days
Number of Awards Stock option outstanding \| shares	199,790
Weighted Average Exercise Price Stock Options Outstanding	$ 14.19
Number of Awards Vested \| shares	198,911
Weighted Average Exercise Price	$ 14.20
Weighted Average Remaining Contractual Life of Stock Options Vested	5 years 7 months 17 days
Exercise price lower range limit	$ 12.49
Exercise price upper range limit	$ 24.00
Range Four [Member]
Weighted Average Remaining Contractual Life - Years	4 years 2 months 19 days
Number of Awards Stock option outstanding \| shares	62,771
Weighted Average Exercise Price Stock Options Outstanding	$ 55.07
Number of Awards Vested \| shares	62,771
Weighted Average Exercise Price	$ 55.07
Weighted Average Remaining Contractual Life of Stock Options Vested	4 years 2 months 19 days
Exercise price lower range limit	$ 24.01
Exercise price upper range limit	$ 72.00
Range Five [Member]
Weighted Average Remaining Contractual Life - Years	3 years 7 months 28 days
Number of Awards Stock option outstanding \| shares	23,091
Weighted Average Exercise Price Stock Options Outstanding	$ 75.59
Number of Awards Vested \| shares	23,091
Weighted Average Exercise Price	$ 75.59
Weighted Average Remaining Contractual Life of Stock Options Vested	3 years 7 months 28 days
Exercise price lower range limit	$ 72.01
Exercise price upper range limit	$ 75.60