Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue:
Total revenue	$ 14,641	$ 16,694	$ 43,917	$ 56,575
Cost of revenue:
Total cost of revenue	12,009	13,335	36,471	44,755
Gross profit	2,632	3,359	7,446	11,820
Operating expenses:
Selling, general and administrative	2,462	3,199	8,478	13,548
Research and development	1,046	2,292	5,276	6,600
Restructuring costs	253		1,629
Total operating expenses	3,761	5,491	15,383	20,148
Loss from operations	(1,129)	(2,132)	(7,937)	(8,328)
Other income, net	22	65	116	156
Loss before income taxes	(1,107)	(2,067)	(7,821)	(8,172)
Income tax benefit (expense)		(20)		(32)
Net loss	$ (1,107)	$ (2,087)	$ (7,821)	$ (8,204)
Basic loss per share	$ (0.09)	$ (0.16)	$ (0.60)	$ (0.65)
Diluted loss per share	$ (0.09)	$ (0.16)	$ (0.60)	$ (0.65)
Shares used in per share calculations:
Basic	12,934	12,721	12,982	12,697
Diluted	12,934	12,721	12,982	12,697
Net loss	$ (1,107)	$ (2,087)	$ (7,821)	$ (8,204)
Other comprehensive income (loss)
Foreign currency translation, net of tax	(2)	15	(82)	25
Unrealized gain (loss) on investments, net of tax	(2)	4	4	6
Total other comprehensive income (loss)	(4)	19	(78)	31
Comprehensive loss	(1,111)	(2,068)	(7,899)	(8,173)
Partner Solutions [Member]
Revenue:
Total revenue	12,556	14,241	37,341	47,297
Cost of revenue:
Total cost of revenue	10,762	12,003	31,834	39,837
Gross profit	1,794	2,238	5,507	7,460
Edge to Cloud [Member]
Revenue:
Total revenue	2,085	2,453	6,576	9,278
Cost of revenue:
Total cost of revenue	1,247	1,332	4,637	4,918
Gross profit	$ 838	$ 1,121	$ 1,939	$ 4,360