Note 16 - Impact of COVID-19 Pandemic	12 Months Ended
Jun. 30, 2022
Notes to Financial Statements
Unusual or Infrequent Items, or Both, Disclosure [Text Block]	(16) Impact of COVID-19 Pandemic The Company has taken what it believes are necessary precautions to safeguard its employees from the COVID-19 pandemic. The Company continues to follow the Centers for Disease Control and Prevention’s (“CDC”) guidance and the recommendations and restrictions provided by state and local authorities. All of the Company’s employees who do not work in a lab setting are currently on a telecommunication work arrangement and have been able to successfully work remotely. The Company’s lab requires in-person staffing, and the Company has been able to continue to operate its lab. There can be no assurance, however, that key employees will not become ill or that the Company will be able to continue to operate its labs. To date, the Company has seen delays with respect to the TSA certification process and parts of its supply chain, particularly the impact of the global semiconductor and electronics shortage, which has now resulted in product pricing inflation. In addition, although passenger demand for air travel has rebounded, the overall recovery of the airline industry and ancillary services remains highly uncertain and is dependent upon, among other things, the number of cases declining around the globe, public health impacts of new COVID-19 variants, the continued administration of vaccines to unvaccinated populations, and the duration of immunity granted by vaccines. The Company continues to manage production, to secure alternative supplies, and to take other proactive actions. The Company believes that it will be able to pass the inflation caused by raw materials shortages and increased shipping costs to its customers by increasing the price of its instruments. If supply chain shortages become more severe or longer term in nature, the Company’s business and results of operations could be adversely impacted; however, the Company does not expect this issue to materially adversely affect its liquidity position. The long-term impact of the COVID-19 pandemic on the Company’s business may not be fully reflected until future periods. *CARES Act* On March 27, 2020, the CARES Act was enacted. The CARES Act, among other things, includes provisions relating to refundable payroll taxes, deferment of employer side social security payments, net operating loss carryback periods, alternative minimum tax credit refunds, modifications to the net interest deduction limitations, and technical corrections to tax depreciation methods for qualified improvement property. The most significant relief measures which the Company qualified for are a loan pursuant to the Paycheck Protection Program for which the Company has received full forgiveness, alternative minimum tax credit refunds, employee retention credit, and payroll tax deferral. The payroll tax deferral was effective from the enactment date through December 31, 2020, and the deferred amount will be repaid in two installments. 50% of the deferred amount has been paid as of December 31, 2021, and the remainder will be due by December 31, 2022. The deferred payroll taxes are recorded within accrued liabilities on the consolidated balance sheets. The Company will continue to assess the treatment of the CARES Act to the extent additional guidance and regulations are issued, the further applicability of the CARES Act to the Company, and the potential impacts on the business.

Note 16 - Impact of COVID-19 Pandemic

12 Months Ended

Jun. 30, 2022

Unusual or Infrequent Items, or Both, Disclosure [Text Block]

(16) Impact of COVID-19 Pandemic

The Company has taken what it believes are necessary precautions to safeguard its employees from the COVID-19 pandemic. The Company continues to follow the Centers for Disease Control and Prevention’s (“CDC”) guidance and the recommendations and restrictions provided by state and local authorities. All of the Company’s employees who do not work in a lab setting are currently on a telecommunication work arrangement and have been able to successfully work remotely. The Company’s lab requires in-person staffing, and the Company has been able to continue to operate its lab. There can be no assurance, however, that key employees will not become ill or that the Company will be able to continue to operate its labs.

To date, the Company has seen delays with respect to the TSA certification process and parts of its supply chain, particularly the impact of the global semiconductor and electronics shortage, which has now resulted in product pricing inflation. In addition, although passenger demand for air travel has rebounded, the overall recovery of the airline industry and ancillary services remains highly uncertain and is dependent upon, among other things, the number of cases declining around the globe, public health impacts of new COVID-19 variants, the continued administration of vaccines to unvaccinated populations, and the duration of immunity granted by vaccines.

The Company continues to manage production, to secure alternative supplies, and to take other proactive actions. The Company believes that it will be able to pass the inflation caused by raw materials shortages and increased shipping costs to its customers by increasing the price of its instruments. If supply chain shortages become more severe or longer term in nature, the Company’s business and results of operations could be adversely impacted; however, the Company does not expect this issue to materially adversely affect its liquidity position. The long-term impact of the COVID-19 pandemic on the Company’s business may not be fully reflected until future periods.

CARES Act

On March 27, 2020, the CARES Act was enacted. The CARES Act, among other things, includes provisions relating to refundable payroll taxes, deferment of employer side social security payments, net operating loss carryback periods, alternative minimum tax credit refunds, modifications to the net interest deduction limitations, and technical corrections to tax depreciation methods for qualified improvement property. The most significant relief measures which the Company qualified for are a loan pursuant to the Paycheck Protection Program for which the Company has received full forgiveness, alternative minimum tax credit refunds, employee retention credit, and payroll tax deferral. The payroll tax deferral was effective from the enactment date through December 31, 2020, and the deferred amount will be repaid in two installments. 50% of the deferred amount has been paid as of December 31, 2021, and the remainder will be due by December 31, 2022. The deferred payroll taxes are recorded within accrued liabilities on the consolidated balance sheets.

The Company will continue to assess the treatment of the CARES Act to the extent additional guidance and regulations are issued, the further applicability of the CARES Act to the Company, and the potential impacts on the business.