Is Lightbridge Corp. overvalued or undervalued?

As of 15 March 2016, the valuation grade for Lightbridge Corp. moved from risky to does not qualify, indicating a significant deterioration in its financial health. The company is currently overvalued, given its high Price to Book Value of 6.47 and a negative ROCE of -1502.38%. Additionally, the EV to EBIT and EV to EBITDA ratios are both at -20.90, reflecting poor operational performance.
In comparison to its peers, Lightbridge Corp. has a P/E ratio that does not qualify, while Gevo, Inc. has a P/E of -4.4482 and Rayonier Advanced Materials, Inc. has a P/E of -28.1461, both indicating struggles within the industry. The recent stock performance shows a year-to-date return of 167.65%, significantly outpacing the S&P 500's 2.44%, but this does not justify the current overvaluation.