Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 16,495	$ 18,243
Restricted cash	352	144
Trade accounts receivable, net of allowance for credit losses and doubtful accounts of $510 and $552, respectively	8,600	7,154
Inventories	16,461	17,945
Prepaid and other current assets	424	844
Total current assets	42,332	44,330
Property and equipment, net	5,529	5,212
Right-of-use asset, net	1,033	1,258
Goodwill	3,205	3,205
Intangible assets, net	372	400
Other assets	242	287
Total Assets	52,713	54,692
Current Liabilities:
Accounts payable	3,043	2,615
Accrued liabilities	4,538	4,349
Current portion of lease liability	479	462
Current portion of finance lease obligations	60	31
Line of credit	3,736	3,620
Total current liabilities	11,856	11,077
Long-term Liabilities:
Lease liability, less current portion	598	842
Finance lease obligation, less current portion	213	103
Long-term debt, plus premium and less issuance costs	11,902	11,787
Total Liabilities	24,569	23,809
Commitments and Contingencies (note 11)
Stockholders’ Equity:
Preferred stock, $0.000001 par value; 10,000,000 shares authorized; no shares issued and outstanding
Common stock, $0.000001 par value; 300,000,000 shares authorized; 87,313,701 shares issued and outstanding as of June 30, 2022 and 87,068,980 shares issued and outstanding as of December 31, 2021
Additional paid-in capital	267,252	266,068
Accumulated deficit	(239,108)	(235,185)
Total Stockholders’ Equity	28,144	30,883
Total Liabilities & Stockholders’ Equity	$ 52,713	$ 54,692