Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net sales	$ 4,030,000	$ 6,594,000	$ 17,144,000	$ 21,972,000
Cost of sales	4,929,000	8,088,000	18,384,000	23,678,000
Gross loss	(899,000)	(1,494,000)	(1,240,000)	(1,706,000)
Selling, general and administrative expenses	1,798,000	3,155,000	5,489,000	8,545,000
Research and development expense	308,000	334,000	949,000	1,046,000
Provision (recovery) for bad debt expense	651,000	225,000	2,010,000	(7,000)
Operating loss	(3,656,000)	(5,208,000)	(9,688,000)	(11,290,000)
Interest (expense) income, net	(2,000)	13,000	39,000	(35,000)
Other income (expense), net (Note 9)	9,000	(722,000)	(1,690,000)	(722,000)
Gain on disposal of fixed assets			2,000
Foreign currency transaction (loss) gain	(64,000)	(256,000)	(351,000)	61,000
Loss from continuing operations before income tax expense (benefit)	(3,713,000)	(6,173,000)	(11,688,000)	(11,986,000)
Income tax expense (benefit) from continuing operations	(35,000)	(422,000)	(50,000)	(316,000)
Net loss from continuing operations	(3,678,000)	(5,751,000)	(11,638,000)	(11,670,000)
Discontinued operations:
Earnings from discontinued operations before income tax expense
Income tax benefit from discontinued operations		(4,036,000)		(4,036,000)
Net earnings from discontinued operations		4,036,000		4,036,000
Net loss	(3,678,000)	(1,715,000)	(11,638,000)	(7,634,000)
Other comprehensive income (loss):
Foreign currency translation (net of tax effect of $44, $0, $139 and $0, respectively)	64,000	(190,000)	158,000	(1,253,000)
Other comprehensive (loss) income	64,000	(190,000)	158,000	(1,253,000)
Comprehensive loss	$ (3,614,000)	$ (1,905,000)	$ (11,480,000)	$ (8,887,000)
Net loss per share (Note 5):
Basic from continuing operations (in dollars per share)	$ (0.20)	$ (0.32)	$ (0.63)	$ (0.65)
Basic from discontinued operations (in dollars per share)		0.22		0.23
Basic (in dollars per share)	(0.20)	(0.10)	(0.63)	(0.42)
Diluted from continuing operations (in dollars per share)	(0.20)	(0.32)	(0.63)	(0.65)
Diluted from discontinued operations (in dollars per share)		0.22		0.23
Diluted (in dollars per share)	$ (0.20)	$ (0.10)	$ (0.63)	$ (0.42)
Weighted–average shares outstanding (Note 5):
Weighted–average shares outstanding (in shares)	18,517,983	18,119,567	18,350,438	18,085,609
Weighted–average shares outstanding with dilution (in shares)	18,517,983	18,119,567	18,350,438	18,085,609