Note 13. Related Party Transactions

Consulting Services

Total stock-based compensation expense related to stock-based awards granted in prior years for consulting services provided by a firm owned by one of the Co-Chairmen of the Company's board of directors was $10 thousand and $(2) thousand for the three months ended December 31, 2019 and 2018, respectively, and $24 thousand and $14 thousand for the six months ended December 31, 2019 and 2018, respectively.

Equipment Purchase

On October 11, 2019, the Company issued 2,500 shares of common stock to the brother of the Company's Chief Executive Officer in exchange for equipment with a fair market value of $20,000.