CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Revenues	$ 2,309,000	$ 6,528,000	$ 27,056,000	$ 8,847,000
Cost of revenues	225,000	2,237,000	4,008,000	2,237,000
Gross profit	2,084,000	4,291,000	23,048,000	6,610,000
Research and development expense	334,000	54,000	487,000	105,000
Selling, general and administrative expenses	4,635,000	3,339,000	9,172,000	6,769,000
Total operating expenses	4,969,000	3,393,000	9,659,000	6,874,000
Income (loss) from operations	(2,885,000)	898,000	13,389,000	(264,000)
Income (loss) before income taxes	(2,885,000)	898,000	13,389,000	(264,000)
Provision (benefit) for income taxes	(56,000)	0	269,000	0
Net income (loss)	(2,829,000)	898,000	13,120,000	(264,000)
Accretion of Preferred stock	(3,925,000)	(5,480,000)	(3,925,000)	(5,480,000)
Net income (loss) to common stockholders	$ (6,754,000)	$ (4,582,000)	$ 9,195,000	$ (5,744,000)
Net income (loss) per share, basic (in dollars per share)	$ (0.12)	$ 0.04	$ 0.57	$ (0.01)
Net income (loss) per share, diluted (in dollars per share)	(0.12)	0.04	0.54	(0.01)
Net income (loss) per share applicable to common stockholders, basic (in dollars per share)	(0.29)	(0.20)	0.40	(0.25)
Net income (loss) per share applicable to common stockholders, diluted (in dollars share)	$ (0.29)	$ (0.20)	$ 0.38	$ (0.25)
Weighted-average common shares outstanding, basic (in shares)	23,257,492	22,764,322	23,195,775	22,736,505
Weighted-average common shares outstanding, diluted (in shares)	23,257,492	22,764,322	24,233,724	22,736,505