CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)	Common Stock [Member]	Additional Paid-in-Capital [Member]	Accumulated Deficit [Member]	AOCI [Member]	Total
Balance at Dec. 31, 2016	$ 120,268	$ 60,721,783	$ (43,672,465)	$ 0	$ 17,169,586
Balance (in shares) at Dec. 31, 2016	12,026,847
Common Stock:
Purchase of RVR Diagnostics Sdn Bhd	$ 2,692	1,680,033	0	0	1,682,725
Purchase of RVR Diagnostics Sdn Bhd (in shares)	269,236
Options:
Exercised	$ 225	34,575	0	0	$ 34,800
Exercised (in shares)	22,487				22,487
Stock option compensation	$ 0	384,897	0	0	$ 384,897
Comprehensive income (loss)	0	0	0	178,948	178,948
Net loss	0	0	(6,371,760)	0	(6,371,760)
Balance at Dec. 31, 2017	$ 123,185	62,821,288	(50,044,225)	178,948	13,079,196
Balance (in shares) at Dec. 31, 2017	12,318,570
Common Stock:
New stock from offerings	$ 45,098	27,431,162	0	0	27,476,260
New stock from offerings (in shares)	4,509,760
Restricted stock issued	$ 2,668	(2,668)	0	0	0
Restricted stock issued (in shares)	266,839
Restricted stock compensation	$ 0	281,249	0	0	281,249
Options:
Exercised	$ 713	71,201	0	0	$ 71,914
Exercised (in shares)	71,290				71,290
Stock option compensation	$ 0	351,556	0	0	$ 351,556
Comprehensive income (loss)	0	0	0	(66,752)	(66,752)
Net loss	0	0	(7,865,649)	0	(7,865,649)
Balance at Dec. 31, 2018	$ 171,664	$ 90,953,788	$ (57,909,874)	$ 112,196	$ 33,327,774
Balance (in shares) at Dec. 31, 2018	17,166,459