Note 2 - Debt (Tables)

12 Months Ended

Apr. 30, 2019

Notes Tables

Schedule of Debt [Table Text Block]

Promissory Notes	2019		2018
Bank line of credit, available LOC $5.0 million interest at 3.4% due on demand, collateralized by a first and second position on all assets of the Company.		-		2,387
	$	-	$	2,387
Long-Term Debt
Note payable, interest at 5.75% due January 2020 collateralized by Aircraft Security Agreements.	$	119	$	270
Note payable, interest at 6.25% due January 2023, collateralized by an Aircraft Security Agreement.		2,239		-
Note payable, interest at bank prime paid off in 2019.		-		62
Note payable, interest at bank prime paid off in 2019.		-		65
Note payable, interest at bank prime paid off in 2019.		-		147
Note payable, interest at 6.25%, due June 2024, collateralized by real estate.		241		259
Note payable, interest at 4.89% due May 2020, collateralized by all of BNSC's assets and compensation due under the State Management contract.		1,313		2,464
Notes payable, interest at 4.5%, due April 2022, collateralized by equipment.		63		80
		3,975		3,347
Less: Current maturities		1,899		1,612
	$	2,076	$	1,735

Schedule of Maturities of Long-term Debt [Table Text Block]

Year Ending April 30	Amount
2020	$	1,899
2021		712
2022		649
2023		557
2024		24
Thereafter		134
	$	3,975