Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands			12 Months Ended
	Feb. 13, 2017	Jan. 23, 2017	Feb. 28, 2017	Feb. 29, 2016
Commitment And Contingencies [Line Items]
Lease Rent Expense			$ 1,400	$ 1,500
Lease expiry date			Mar. 23, 2016
Bankruptcy proceedings date	Feb. 10, 2017
Bankruptcy proceedings court	Eastern District of Kentucky
Bankruptcy proceedings description	Lexel filed for Chapter 11 bankruptcy protection in the Eastern District of Kentucky Case No.17-50240 on February 10, 2017 (the “Ch. 11 Bankruptcy”). Lexel and Alidade mediated the Ch. 11 Bankruptcy and reached a settlement on May 19, 2017 which requires Lexel to surrender possession of the Property on or before September 30, 2017.
Chief Executive Officer and Ordway Properties, LLC
Commitment And Contingencies [Line Items]
Lease Rent Expense			$ 400	$ 500
Maximum
Commitment And Contingencies [Line Items]
Lease expiration year			2025
Maximum | Chief Executive Officer and Ordway Properties, LLC
Commitment And Contingencies [Line Items]
Lease expiration year			2025
Lexel Imaging, Inc.
Commitment And Contingencies [Line Items]
Escrow amount deposit			$ 100
Stipulated penalty amount for non-compliance of civil judgment			$ 200
Settlement date			May 19, 2017
Number of days for eviction from property for non-compliance			10 days
Settlement Condition for Default Description			Events of default include, but are not limited to the following; 1) failure to make timely payment of back-owed rent, escrow payments, and ongoing monthly rents through the exit date, 2) failure to enter into a new lease agreement or asset purchase agreement for all or substantially all of Lexel’s assets, with an unaffiliated third party on or before June 30, 2017, and 3) failure to vacate the property, as defined.
Settlement Condition for Non Compliance Description			In the event of non-compliance Lexel has agreed to the following; 1) escrow amounts will be forfeited, 2) a stipulated $200 thousand civil judgment will be awarded to Alidade, 3) eviction from the property within 10 days, and 4) Lexel will pay all legal fees incurred by Alidade related to enforcement of the settlement agreement and foregoing remedies.
Property causing significant interruption to business operations, inventory			$ 2,300
Lexel Imaging, Inc. | Maximum
Commitment And Contingencies [Line Items]
Escrow deposit period			Jul. 28, 2017
Lexel Imaging, Inc. | Minimum
Commitment And Contingencies [Line Items]
Escrow deposit period			May 19, 2017
Lexel Imaging, Inc. | Property Lease Guarantee
Commitment And Contingencies [Line Items]
Summary of back rent and late fees		$ 232
Litigation settlement amount	$ 232