Unaudited Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	GCI Acquisition [Member] Common Stock [Member]	GCI Acquisition [Member] Additional Paid-in Capital [Member]	GCI Acquisition [Member]	Sexton Acquisition [Member] Common Stock [Member]	Sexton Acquisition [Member] Additional Paid-in Capital [Member]	Sexton Acquisition [Member]	Preferred Stock [Member] Series A Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2019							0	20,825,452
Balance at Dec. 31, 2019							$ 0	$ 21	$ 143,485		$ (100,052)	$ 43,454
Stock based compensation									3,818			3,818
Stock option exercises (in shares)								528,793
Stock option exercises									1,028			1,028
Cashless exercises of warrants (in shares)								2,747,970
Cashless exercises of warrants								$ 3	33,108			33,111
Stock issued – on vested RSAs (in shares)							0	161,263
Net income (loss)											4,795	4,795
Stock issued as 2019 bonus payout									314			314
Sale of common stock, net of fees (in shares)								7,856,012
Sale of common stock, net of fees								$ 8	100,113			100,121
Common stock issued for services (in shares)								3,175
Common stock issued for services									60			60
Warrant exercises (in shares)								8,500
Warrant exercises									150			150
Balance (in shares) at Sep. 30, 2020								32,131,165
Balance at Sep. 30, 2020								$ 32	282,076	$ 0	(95,257)	186,851
Balance (in shares) at Jun. 30, 2020								25,982,367
Balance at Jun. 30, 2020								$ 26	199,941		(94,124)	105,843
Stock based compensation									1,560			1,560
Stock option exercises (in shares)								118,000
Stock option exercises									244			244
Stock issued – on vested RSAs (in shares)							0	72,873
Net income (loss)											(1,133)	(1,133)
Sale of common stock, net of fees (in shares)								5,951,250
Sale of common stock, net of fees								$ 6	80,201			80,207
Common stock issued for services (in shares)								3,175
Common stock issued for services									60			60
Warrant exercises (in shares)								3,500
Warrant exercises									70			70
Balance (in shares) at Sep. 30, 2020								32,131,165
Balance at Sep. 30, 2020								$ 32	282,076	0	(95,257)	186,851
Balance (in shares) at Dec. 31, 2020								33,039,146
Balance at Dec. 31, 2020								$ 33	302,598	0	(97,385)	205,246
Stock issued as consideration in GCI acquisition (in shares)	6,636,470			530,502
Stock issued as consideration in GCI acquisition	$ 7	$ 232,734	$ 232,741		$ 31,977	$ 31,977
Fees incurred for registration filings									(188)			(188)
Stock based compensation									8,891			8,891
Stock option exercises (in shares)								632,665
Stock option exercises								$ 1	1,016			1,017
Cashless exercises of warrants (in shares)								70,030
Cashless exercises of warrants									2,901			2,901
Stock issued – on vested RSAs (in shares)							0	535,378
Foreign currency translation										(163)		(163)
Net income (loss)											6,837	6,837
Balance (in shares) at Sep. 30, 2021								41,444,191
Balance at Sep. 30, 2021								$ 41	579,929	(163)	(90,548)	489,259
Balance (in shares) at Jun. 30, 2021								40,560,720
Balance at Jun. 30, 2021								$ 41	542,864	3	(90,627)	452,281
Stock issued as consideration in GCI acquisition (in shares)				530,502
Stock issued as consideration in GCI acquisition					$ 31,977	$ 31,977
Fees incurred for registration filings									(188)			(188)
Stock based compensation									4,868			4,868
Stock option exercises (in shares)								244,906
Stock option exercises									408			408
Stock issued – on vested RSAs (in shares)							0	108,063
Foreign currency translation										(166)		(166)
Net income (loss)							$ 0	$ 0	0	0	79	79
Balance (in shares) at Sep. 30, 2021								41,444,191
Balance at Sep. 30, 2021								$ 41	$ 579,929	$ (163)	$ (90,548)	$ 489,259