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