Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Revenue Disaggregated By Type

		Three months ended March 31,
		2018		2017
Systems	$	17,275	$	218,895
Disposables, service and accessories		6,954,357		6,758,777
Total revenue	$	6,971,632	$	6,977,672

Summary Of Contract Assets And Liabilities

		March 31,		December 31,
		2018		2017
Contract Assets - Unbilled Receivables	$	55,341	$	2,917
Product shipped, revenue deferred	$	940,665	$	941,724
Deferred service and license fees		6,756,049		5,372,908
Total deferred revenue		7,696,714		6,314,632
Less: Long-term deferred revenue		(560,649)		(611,863)
Total current deferred revenue	$	7,136,065	$	5,702,769

Computation Of Basic And Diluted EPS

		Three months ended March 31,
		2018		2017
Net income	$	1,435,229	$	1,176,967
Cumulative dividend on convertible preferred stock		(353,589)		(363,188)
Net income attributable to convertible preferred stockholders	$	(610,280)	$	(509,323)
Net income attributable to common stockholders		471,360		304,456
Shares used for basic EPS-weighted average shares		30,957,648		22,318,000
Restricted Stock Units		292,891		13,683
Warrants		1,872,059		—
Weighted average number of common shares and equivalents:		33,122,598		22,331,683
Basic EPS	$	0.02	$	0.01
Diluted EPS	$	0.01	$	0.01