Registration of securities issued in business combination transactions

Property and Equipment - Summary of Property and Equipment (Detail)

v3.7.0.1
Property and Equipment - Summary of Property and Equipment (Detail) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]      
Cost   $ 1,707 $ 1,883
Accumulated Depreciation   1,449 1,281
Net Book Value $ 166 258 602
Computer equipment [Member]      
Property, Plant and Equipment [Line Items]      
Cost   657 628
Accumulated Depreciation   567 490
Net Book Value   90 138
Furniture and fixtures [Member]      
Property, Plant and Equipment [Line Items]      
Cost   172 172
Accumulated Depreciation   167 163
Net Book Value   5 9
Machinery and equipment [Member]      
Property, Plant and Equipment [Line Items]      
Cost     218
Accumulated Depreciation     1
Net Book Value     217
Leasehold improvements [Member]      
Property, Plant and Equipment [Line Items]      
Cost   262 257
Accumulated Depreciation   167 99
Net Book Value   95 158
Computer software [Member]      
Property, Plant and Equipment [Line Items]      
Cost   502 494
Accumulated Depreciation   439 425
Net Book Value   63 69
Equipment under capital lease [Member]      
Property, Plant and Equipment [Line Items]      
Cost   114 114
Accumulated Depreciation   109 103
Net Book Value   $ 5 $ 11