Quality assurance software developer Sigma Labs (NASDAQ: SGLB) has revealed that its revenue fell 14{3a9e182fe41da4ec11ee3596d5aeb8604cbf6806e2ad0e1498384eba6cf2307e} in Q2 2021 due to an unforeseen series of contract delays.  Over the second quarter of 2021, the company generated an income of just $144,000, $24,000 less than the $168,000 reported in Q2 2020. This […]