Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue	$ 6,604	$ 5,293	$ 19,075	$ 14,286
Cost of revenue	2,084	1,606	5,690	4,507
Gross profit	4,520	3,687	13,385	9,779
Operating expenses
Research and development	1,309	312	2,420	983
Sales and marketing	1,259	725	3,035	1,978
General and administrative	2,258	1,455	6,579	4,199
Acquisition costs	291		538
Total operating expenses	5,117	2,492	12,572	7,160
Operating income (loss)	(597)	1,195	813	2,619
Other income (expenses), net
Interest income	110	80	417	121
Interest expense	(1)	(1)	(5)	(4)
Loss on Disposal of Assets	(13)		(13)
Loss from equity-method investment in SAVSU	(291)	(43)	(739)	(363)
Gain on Acquisition of SAVSU	10,108		10,108
Total other income (expenses), net	9,913	36	9,768	(246)
Income before provision for income taxes	9,316	1,231	10,581	2,373
Income taxes
Net income	9,316	1,231	10,581	2,373
Less: Preferred stock dividends		(80)		(279)
Net income attributable to common stockholders	$ 9,316	$ 1,151	$ 10,581	$ 2,094
Basic net income per common share (in dollars per share)	$ 0.47	$ 0.07	$ 0.55	$ 0.13
Diluted net income per common share (in dollars per share)	$ 0.37	$ 0.05	$ 0.43	$ 0.10
Basic shares used to compute earnings per share (in shares)	19,735,364	17,273,412	19,071,722	15,529,026
Diluted shares used to compute earnings per share (in shares)	25,343,112	23,656,633	24,705,424	21,051,219