SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Calculation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended										12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	[1]	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	[1]	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (2,610)	$ (507)	$ (1,481)	$ (2,668)		$ (1,348)	$ (59)	$ (504)	$ (4,076)		$ (7,266)	$ (5,987)	$ (2,801)
Basic and diluted weighted average number of shares outstanding	20,916,559	20,906,781	20,889,052	20,878,549		20,807,205	20,802,217	20,786,081	20,774,000		20,897,812	20,792,494	20,658,634
Basic loss per common share	$ (0.12)	$ (0.02)	$ (0.07)	$ (0.13)		$ (0.06)	$ (0.00)	$ (0.02)	$ (0.20)		$ (0.35)	$ (0.29)	$ (0.14)
Diluted loss per common share	$ (0.12)	$ (0.02)	$ (0.07)	$ (0.13)		$ (0.06)	$ (0.00)	$ (0.02)	$ (0.20)		$ (0.35)	$ (0.29)	$ (0.14)

[1] On March 5, 2015, the Company closed on an Asset Purchase Agreement to acquire certain assets and assume certain liabilities of Tectrol, Inc., a Toronto, Canada corporation. The acquisition was effective March 1, 2015 and results are included from that date in the Company’s Power and Electromechanical segment.