CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues:
Total revenues		$ 40,223	$ 51,620	$ 71,896	$ 89,125
Cost of revenues:
Total cost of revenues		23,708	32,811	40,398	57,072
Gross profit		16,515	18,809	31,498	32,053
Operating costs and expenses:
Research and development		4,820	5,173	9,355	9,856
Sales and marketing		3,951	4,212	7,885	8,051
General and administrative		4,703	3,918	9,193	7,873
Depreciation and amortization		1,761	3,652	3,825	6,944
Impairment of capitalized software		0	0	384	420
Total operating costs and expenses		15,235	16,955	30,642	33,144
Operating income (loss)		1,280	1,854	856	(1,091)
Other (expense) income:
Interest expense		(933)	(1,776)	(1,959)	(3,955)
Loss on extinguishment of revolving credit facility		0	(788)	0	(788)
Gain on debt restructurings, net		0	1,324	0	1,324
Other income (expense), net		182	(417)	485	(792)
Income (Loss) before income taxes		529	197	(618)	(5,302)
Income tax provision		22	118	45	135
Income (Loss) from continuing operations		507	79	(663)	(5,437)
Income (Loss) from discontinued operations (net of income tax provision (benefit) of $—, $188, $400 and $408, respectively)		0	545	(400)	1,606
Net income (loss)		507	624	(1,063)	(3,831)
Preferred stock dividends		(883)	(808)	(1,747)	(1,598)
Net income (loss) attributable to common stockholders		$ (376)	$ (184)	$ (2,810)	$ (5,429)
Basic and diluted
Continuing operations, basic (in dollars per share)		$ (0.03)	$ (0.06)	$ (0.16)	$ (0.59)
Continuing operations, diluted (in dollars per share)		(0.03)	(0.06)	(0.16)	(0.59)
Discontinued operations, basic (in dollars per share)		0	0.05	(0.03)	0.14
Discontinued operations, diluted (in dollars per share)		0	0.05	(0.03)	0.14
Basic earnings (loss) per share (in dollars per share)	[1]	(0.03)	(0.02)	(0.19)	(0.46)
Diluted earnings (loss) per share (in dollars per share)	[1]	$ (0.03)	$ (0.02)	$ (0.19)	$ (0.46)
Weighted-average shares used in computation of net earnings (loss) per share
Basic (in shares)		15,023,832	11,894,746	15,012,918	11,887,233
Diluted (in shares)		15,023,832	11,894,746	15,012,918	11,887,233
Other comprehensive income (loss):
Foreign currency translation adjustment		$ 109	$ (355)	$ 115	$ (93)
Comprehensive income (loss)		616	269	(948)	(3,924)
Product
Revenues:
Total revenues		28,183	39,196	47,876	68,648
Cost of revenues:
Total cost of revenues		22,365	30,507	37,761	53,220
Mobile solutions
Revenues:
Total revenues		13,672	25,879	31,462	41,149
Fixed wireless access solutions
Revenues:
Total revenues		14,511	13,317	16,414	27,499
Services and other
Revenues:
Total revenues		12,040	12,424	24,020	20,477
Cost of revenues:
Total cost of revenues		$ 1,343	$ 2,304	$ 2,637	$ 3,852

[1] *rounding may impact summation of amounts