Leases - Additional Information (Detail)
€ in Thousands, $ in Thousands
 12 Months Ended
Sep. 01, 2015
USD ($)
Aug. 30, 2015
USD ($)
Sep. 01, 2012
USD ($)
ft²
Sep. 01, 2012
EUR (€)
ft²
Dec. 31, 2015
USD ($)
ft²
Lease
Dec. 31, 2014
USD ($)
ft²
Dec. 31, 2014
EUR (€)
ft²
Dec. 31, 2013
USD ($)
Capital Leased Assets [Line Items]                
Net present value of minimum lease payments         $ 6,854      
Leases future rental payments         6,591      
Other Operating Leases [Member]                
Capital Leased Assets [Line Items]                
Monthly rental payment         1      
Additional leases rent expense, total         $ 125 $ 125   $ 138
Latest lease expiration date         2019      
Other Operating Leases [Member] | Minimum [Member]                
Capital Leased Assets [Line Items]                
Operating equipment leases, monthly payments         $ 1      
Other Operating Leases [Member] | Maximum [Member]                
Capital Leased Assets [Line Items]                
Operating equipment leases, monthly payments         4      
PM Group [Member] | Other Operating Leases [Member]                
Capital Leased Assets [Line Items]                
Operating lease rent expense         29      
Leases future rental payments         $ 63      
Bridgeview Facility [Member]                
Capital Leased Assets [Line Items]                
Extended lease expiration date         Jun. 30, 2020      
Operating lease rent expense         $ 256 256   251
Lease of Bridgeview Facility | ft²         40,000      
Monthly lease payments         $ 22      
Provision for lease extension periods         Six one year      
Percentage of increase in annual rent         2.00%      
Rental escalation clause         Annual rent is increased during the initial lease term by the lesser of the increase in the Consumer Price Increase or 2.0%.      
Notice period prior to expiration of lease         180 days      
Annual rent [1]         $ 256 $ 256   251
Capital Lease Equipment [Member]                
Capital Leased Assets [Line Items]                
Maximum borrowing capacity of new equipment         100.00%      
Maximum borrowing capacity of used equipment         75.00%      
Lease repayment period of new equipment         60 months      
Lease repayment period of used equipment         36 months      
Other Capital Lease [Member]                
Capital Leased Assets [Line Items]                
Outstanding capital lease obligation         $ 56      
Additional small capital lease | Lease         2      
Italian Facility [Member]                
Capital Leased Assets [Line Items]                
Additional lease renew period     6 years 6 years   6 years 6 years  
Lease of Bridgeview Facility | ft²     11,000 11,000   103,000 103,000  
Lease term     6 years 6 years   6 years 6 years  
Annual rent     $ 59 € 54   $ 392 € 360  
Lease execution date     Sep. 01, 2012 Sep. 01, 2012   Jun. 30, 2011 Jun. 30, 2011  
Crane and Machinery Division [Member]                
Capital Leased Assets [Line Items]                
Extended lease expiration date         Dec. 29, 2020      
Lease payments monthly amount         $ 42      
Lease term         5 years      
Deferred gain amortization period         60 months      
Trucks purchase price         $ 719      
Automobiles [Member] | PM Group [Member]                
Capital Leased Assets [Line Items]                
Lease payments monthly amount         $ 22      
Lease expiration date range, start         Feb. 02, 2016      
Lease expiration date range, end         Oct. 05, 2019      
Georgetown Facility [Member]                
Capital Leased Assets [Line Items]                
Increase in remaining capital obligation $ 3,607              
Outstanding capital lease obligation         $ 5,399      
Deferred gain of Sales and Leaseback Transaction         1,288 $ 1,268    
Annual amortization of deferred gain         80      
Increase in revenue due to amortization of deferred gain         $ 60      
Increase in revenue due to amortization of deferred revenue period         5 years      
Georgetown Facility [Member] | Capital Lease Obligations [Member]                
Capital Leased Assets [Line Items]                
Monthly rental payment $ 62 $ 76            
Extended lease expiration date Apr. 30, 2028              
Date of first rent increase Sep. 01, 2016              
Amount of annual increase as a percentage 3.00%              
Risk rate of non-interest bearing debt 12.50%              
Frequency of rent increase Annual              
Net present value of minimum lease payments $ 5,423              
Winona Facility [Member] | Capital Lease Obligations [Member]                
Capital Leased Assets [Line Items]                
Outstanding capital lease obligation         $ 500      
Term of Lease         5 years      
Lease expiry date         Jul. 10, 2014      
Monthly lease payment         $ 25      
Purchase amount of facility         $ 500      
Woodbridge Crossing [Member]                
Capital Leased Assets [Line Items]                
Extended lease expiration date         Nov. 29, 2019      
Lease payments monthly amount         $ 30      
Operating lease rent expense         $ 368 431   489
Additional lease renew period         5 years      
Knox [Member]                
Capital Leased Assets [Line Items]                
Operating lease rent expense         $ 163 $ 181   $ 73
Knox [Member] | Operating Lease One [Member]                
Capital Leased Assets [Line Items]                
Extended lease expiration date         Aug. 19, 2020      
Lease payments monthly amount         $ 11      
Percentage of increase in annual rent         2.00%      
Lease extension period         5 years      
Knox [Member] | Operating Lease Two [Member]                
Capital Leased Assets [Line Items]                
Extended lease expiration date         Aug. 19, 2020      
Lease payments monthly amount         $ 3      
Percentage of increase in annual rent         2.00%      
Lease extension period         5 years      
Fort Wayne, Indiana Facility [Member]                
Capital Leased Assets [Line Items]                
Extended lease expiration date         Feb. 12, 2018      
Lease payments monthly amount         $ 23      
Provision for lease extension periods         Two three year      
Percentage of increase in annual rent         2.00%      
Fort Wayne, Indiana Facility [Member] | March 12, 2017 [Member]                
Capital Leased Assets [Line Items]                
Increase in lease payments monthly amount         $ 25      
Forklifts [Member] | Operating Lease One [Member] | PM Group [Member]                
Capital Leased Assets [Line Items]                
Extended lease expiration date         Feb. 28, 2023      
Lease payments monthly amount         $ 2      
Forklifts [Member] | Operating Lease Two [Member] | PM Group [Member]                
Capital Leased Assets [Line Items]                
Extended lease expiration date         Feb. 28, 2023      
Lease payments monthly amount         $ 3      
Forklifts [Member] | Operating Lease Three [Member] | PM Group [Member]                
Capital Leased Assets [Line Items]                
Extended lease expiration date         Apr. 30, 2020      
Lease payments monthly amount         $ 8      
[1] The Company leases its 40,000 sq. ft. Bridgeview facility from an entity controlled by Mr. David Langevin, the Company’s Chairman and CEO. Pursuant to the terms of the lease, the Company makes monthly lease payments of $22. The Company is also responsible for all the associated operations expenses, including insurance, property taxes, and repairs. The lease will expire on June 30, 2020 and has a provision for six one year extension periods. The lease contains a rental escalation clause under which annual rent is increased during the initial lease term by the lesser of the increase in the Consumer Price Increase or 2.0%. Rent for any extension period shall however, be the then-market rate for similar industrial buildings within the market area. The Company has the option, to purchase the building by giving the Landlord written notice at any time prior to the date that is 180 days prior to the expiration of the lease or any extension period. The Landlord can require the Company to purchase the building if a change of Control Event, as defined in the agreement occurs by giving written notice to the Company at any time prior to the date that is 180 days prior to the expiration of the lease or any extension period. The purchase price regardless whether the purchase is initiated by the Company or the landlord will be the Fair Market Value as of the closing date of said sale