Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Net sales	$ 64,403	$ 22,700	$ 9,423
Cost of sales	35,111	14,922	7,345
Gross profit	29,292	7,778	2,078
Operating expenses:
Product development	2,810	1,030	595
Selling, general, and administrative	16,830	7,839	6,434
Loss on impairment	0	0	608
Change in estimate of contingent liabilities	0	0	12
Restructuring	0	0	80
Total operating expenses	19,640	8,869	7,729
Income (loss) from operations	9,652	(1,091)	(5,651)
Other (income) expense:
Settlement of acquisition obligations	0	0	(892)
Interest expense	85	2,689	840
Other expenses (income)	(53)	466	308
Income (loss) from continuing operations before income taxes	9,620	(4,246)	(5,907)
Provision for income taxes	149	0	0
Net income (loss) from continuing operations	9,471	(4,246)	(5,907)
Discontinued operations:
Loss from discontinued operations	(167)	(1,571)	(368)
(Loss) gain on sale of discontinued operations	(534)	(30)	3,915
(Loss) income from discontinued operations before income taxes	(701)	(1,601)	3,547
(Benefit from) provision for income taxes	(10)	(2)	1
(Loss) income from discontinued operations	(691)	(1,599)	3,546
Net income (loss)	$ 8,780	$ (5,845)	$ (2,361)
Net income (loss) per share - basic:
Net income (loss) from continuing operations (in dollars per share)	$ 0.91	$ (0.55)	$ (1.24)
Net (loss) income from discontinued operations (in dollars per share)	(0.07)	(0.20)	0.74
Net income (loss) (in dollars per share)	0.84	(0.75)	(0.50)
Net income (loss) per share - diluted:
Net income (loss) from continuing operations (in dollars per share)	0.88	(0.55)	(1.24)
Net (loss) income from discontinued operations (in dollars per share)	(0.06)	(0.20)	0.74
Net income (loss) (in dollars per share)	$ 0.82	$ (0.75)	$ (0.50)
Weighted average common shares outstanding:
Basic (in shares)	10,413	7,816	4,779
Diluted (in shares)	10,752	7,816	4,779