The HD25-XV is classified as EAR99 and freely exported without a license.
The HD25-LV-S is controlled by the US Department of Commerce under ECCN 6A993.a. This configuration is available for export to most countries without a license. However, a background check and end use letter is generally required.
The HD25-LV is controlled by the US Department of State under USML Category XII(c) which requires an export license.