Borrowings	9 Months Ended
Jan. 31, 2013
Borrowings [Abstract]
Borrowings	4. Borrowings: At January 31, 2013, the Company had one line of credit totaling $1 million. The unused line at January 31, 2013 was $163. During the current year these funds were primarily used for the purchase of inventory for the modifications and avionics operations. At January 31, 2013, there were several notes collateralized by aircraft security agreements totaling $2,132. These notes were used for the purchase and modifications of these collateralized aircraft. There are three notes at a bank totaling $1,746 for real estate located in Olathe, Kansas and Tempe, Arizona. The due date for these notes is in March 2013, and August 2016. One note totaling $336 remains for real estate purchased in June 2009 in Dodge City, Kansas. One note with a balance of $266 is collateralized by the first and second position on all assets of the company. There are several other notes collateralized by automobiles and equipment totaling an additional $155. One note was entered into with Konami Gaming, Inc. effective August 1, 2012, in the amount of $1,733. The purchase of the gaming system was installed at Boot Hill Casino in mid-August and has a current remaining balance of $1,382.

Borrowings

9 Months Ended

Jan. 31, 2013

4. Borrowings: At January 31, 2013, the Company had one line of credit totaling $1 million. The unused line at January 31, 2013 was $163. During the current year these funds were primarily used for the purchase of inventory for the modifications and avionics operations.

At January 31, 2013, there were several notes collateralized by aircraft security agreements totaling $2,132. These notes were used for the purchase and modifications of these collateralized aircraft.

There are three notes at a bank totaling $1,746 for real estate located in Olathe, Kansas and Tempe, Arizona. The due date for these notes is in March 2013, and August 2016.

One note totaling $336 remains for real estate purchased in June 2009 in Dodge City, Kansas.

One note with a balance of $266 is collateralized by the first and second position on all assets of the company. There are several other notes collateralized by automobiles and equipment totaling an additional $155.

One note was entered into with Konami Gaming, Inc. effective August 1, 2012, in the amount of $1,733. The purchase of the gaming system was installed at Boot Hill Casino in mid-August and has a current remaining balance of $1,382.