Note 11 - Related Party Transactions	12 Months Ended
Dec. 31, 2019
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	11. RELATED PARTY TRANSACTIONS During 2019, 2018 and 2017, $0.2 million, $0.3 million and $0.3 million, respectively in interest payments were made in relation to the promissory notes issued to related party, IED, see Note 7 Notes Payable, for further details. Executive Chairman of the Board of Directors, Chief Legal Counsel, and former Chief Executive Officer, William J. Clough’s son Nicholas J. Clough, serves as President at Orbital Gas Systems, North America, Inc., a wholly owned subsidiary of the Company, and as Chief Sales Officer for the Energy Division. In 2019, 2018, and 2017, Mr. Clough received an aggregate salary of $269 thousand, $213 thousand, and $200 thousand, respectively, and received a cash bonus of $158 thousand, $150 thousand, and $150 thousand in fiscal 2019, 2018, and 2017, respectively. He also received other benefits valued at $49 thousand, $49 thousand, and $41 thousand in 2019, 2018, and 2017, respectively. As of December 31, 2019 and 2018, there was an accrual of $0 thousand and $13 thousand, respectively, for compensation accrued to Nicholas J. Clough. Nicholas J. Clough does not report to the William J. Clough nor does William J. Clough have input regarding Nicholas J. Clough’s salary, bonus, or performance. Mr. Clough’s salary and bonus is set by his direct supervisor and relevant market conditions, while his performance is evaluated and monitored by his direct supervisor. In addition, pursuant to Company policy, any related-party bonus and/or salary change in excess of $50,000 is independently reviewed and approved by the Company’s Compensation Committee, comprised of Independent Board Members from the Company’s Board of Directors. Orbital employs three owners of EnDet, Ltd. from which the Company licenses its VE Technology. See Note 9 - Commitments and Contingencies - Commissions, Royalty and License Fee Agreements for more information on license fee agreements.

11.

RELATED PARTY TRANSACTIONS

During

2019,

2018

and

2017,

$0.2

million,

$0.3

million and

$0.3

million, respectively in interest payments were made in relation to the promissory notes issued to related party, IED, see Note

Notes Payable, for further details.

Executive Chairman of the Board of Directors, Chief Legal Counsel, and former Chief Executive Officer, William J. Clough’s son Nicholas J. Clough, serves as President at Orbital Gas Systems, North America, Inc., a wholly owned subsidiary of the Company, and as Chief Sales Officer for the Energy Division. In

2019,

2018,

and

2017,

Mr. Clough received an aggregate salary of

$269

thousand,

$213

thousand, and

$200

thousand, respectively, and received a cash bonus of

$158

thousand,

$150

thousand, and

$150

thousand in fiscal

2019,

2018,

and

2017,

respectively. He also received other benefits valued at

$49

thousand,

$49

thousand, and

$41

thousand in

2019,

2018,

and

2017,

respectively. As of

December 31, 2019

and

2018,

there was an accrual of

thousand and

$13

thousand, respectively, for compensation accrued to Nicholas J. Clough. Nicholas J. Clough does

not

report to the William J. Clough nor does William J. Clough have input regarding Nicholas J. Clough’s salary, bonus, or performance. Mr. Clough’s salary and bonus is set by his direct supervisor and relevant market conditions, while his performance is evaluated and monitored by his direct supervisor. In addition, pursuant to Company policy, any related-party bonus and/or salary change in excess of

$50,000

is independently reviewed and approved by the Company’s Compensation Committee, comprised of Independent Board Members from the Company’s Board of Directors.

Orbital employs

three

owners of EnDet, Ltd. from which the Company licenses its VE Technology. See Note

- Commitments and Contingencies - Commissions, Royalty and License Fee Agreements for more information on license fee agreements.