CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 55,931	$ 50,572
Accounts receivable, net of allowance for credit losses of $987 and $1,006 as of June 30, 2025 and December 31, 2024, respectively	25,350	21,624
Inventories	20,258	22,953
Prepaid expenses and other current assets	13,627	16,016
Current assets held for sale	7,833	11,410
Total current assets	122,999	122,575
Property and equipment, net	24,071	27,014
Intangible assets, net	636	828
Right of use assets	1,275	1,361
Other non-current assets	2,919	3,146
Deferred income tax asset	141	157
Total assets	152,041	155,081
Current liabilities:
Accounts payable	3,231	4,316
Accrued airtime	993	745
Accrued compensation and employee-related expenses	2,991	4,728
Accrued loss on future firm purchase commitments	0	919
Accrued other	2,172	2,134
Accrued product warranty costs	828	607
Deferred revenue	1,459	1,039
Current operating lease liability	651	660
Liability for uncertain tax positions	767	724
Total current liabilities	13,092	15,872
Long-term operating lease liability	562	569
Deferred income tax liability	3	15
Total liabilities	13,657	16,456
Commitments and contingencies (Notes 2, 11, and 16)
Stockholders’ equity:
Preferred stock, $0.01 par value. Authorized 1,000,000 shares; none issued	0	0
Common stock, $0.01 par value. Authorized 30,000,000 shares; 21,223,892 and 21,240,525 shares issued at June 30, 2025 and December 31, 2024, respectively; and 19,525,435 and 19,784,416 shares outstanding at June 30, 2025 and December 31, 2024, respectively	212	212
Additional paid-in capital	168,082	167,287
Accumulated deficit	(13,532)	(12,752)
Accumulated other comprehensive loss	(3,032)	(4,032)
Total stockholders equity before treasury stock adjustment	151,730	150,715
Less: treasury stock at cost, common stock, 1,698,457 and 1,456,109 shares as of June 30, 2025 and December 31, 2024, respectively.	(13,346)	(12,090)
Total stockholders’ equity	138,384	138,625
Total liabilities and stockholders’ equity	$ 152,041	$ 155,081