Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash	$ 26,879	$ 36,231
Accounts receivable, net	8,673	9,069
Inventories, net	14,728	11,894
Prepaid expenses and other current assets	2,202	2,470
Total current assets	52,482	59,664
Right of use assets, operating leases	1,260	1,362
Property and equipment, net	1,365	1,173
Intangible assets, net	5,101	5,921
Total assets	60,208	68,120
Current liabilities
Accounts payable	2,738	3,075
Accrued expenses	1,600	3,155
Notes payable	584	99
Operating lease obligations, current	464	560
Customer deposits and deferred revenue	1,446	2,113
Total current liabilities	6,832	9,002
Operating lease obligations, net of current portion	1,317	1,507
Deferred tax liabilities	872	978
Total liabilities	9,021	11,487
Commitments and contingencies (See Note 10)
Stockholders’ equity
Preferred stock – $0.00001 par value per share: 10,000,000 shares authorized on June 30, 2022, and December 31, 2021; -0- shares issued and outstanding as of June 30, 2022, and December 31, 2021, respectively
Common stock, – $0.00001 par value per share, 100,000,000 shares authorized, 47,380,614 and 45,825,089 shares issued and 47,377,955 and 45,822,430 outstanding at June 30, 2022, and December 31, 2021, respectively
Additional paid-in capital	344,732	343,746
Accumulated other comprehensive income	(1,436)	(297)
Treasury stock, at cost – 2,659 shares as of June 30, 2022, and December 31, 2021, respectively	(277)	(277)
Accumulated deficit	(291,832)	(286,539)
Total stockholders’ equity	51,187	56,633
Total liabilities and stockholders’ equity	$ 60,208	$ 68,120