Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Net sales	$ 10,879	$ 13,540
Cost of sales	11,539	14,915
Gross loss	(660)	(1,375)
Selling, general and administrative expenses	5,628	6,067
Research and development expense	815	733
Provisions (recovery) for bad debt expense	618	(918)
Operating loss	(7,721)	(7,257)
Interest income, net	27	21
Other income (expense), net	2,185	2,652
Loss on disposal of fixed assets	(419)	(382)
Foreign currency transaction (loss) gain	(224)	53
Loss from operations before income tax expense	(6,152)	(4,913)
Income tax expense from operations	(392)	188
Net loss from operations	(5,760)	(5,101)
Other comprehensive loss:
Foreign currency translation (net of tax effect of $(61) and $404, respectively)	(299)	1,076
Other comprehensive income (loss)	(299)	1,076
Comprehensive loss	$ (6,059)	$ (4,025)
Net loss per share (Note 3):
Basic (in dollars per share)	$ (0.29)	$ (0.27)
Diluted (in dollars per share)	$ (0.29)	$ (0.27)
Weighted-average shares outstanding (Note 3):
Basic (in shares)	19,752,248	18,914,059
Diluted (in shares)	19,752,248	18,914,059