Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
CURRENT ASSETS:
Cash	$ 1,073	$ 1,099
Accounts receivable, net	14,601	19,231
AMP credit receivable	1,732	7,051
Contract assets	660	1,460
Inventories	37,386	37,405
Prepaid expenses and other current assets	2,829	3,500
Total current assets	58,281	69,746
LONG-TERM ASSETS:
Property and equipment, net	47,137	47,123
Operating lease right-of-use assets, net	15,159	15,593
Intangible assets, net	1,899	2,064
Other assets	595	630
TOTAL ASSETS	123,071	135,156
CURRENT LIABILITIES:
Line of credit and current maturities of long-term debt	1,428	5,903
Current portion of finance lease obligations	2,205	2,153
Current portion of operating lease obligations	1,914	1,851
Accounts payable	16,298	20,728
Accrued liabilities	6,406	6,477
Customer deposits	11,403	16,500
Total current liabilities	39,654	53,612
LONG-TERM LIABILITIES:
Long-term debt, net of current maturities	6,262	6,250
Long-term finance lease obligations, net of current portion	3,733	3,372
Long-term operating lease obligations, net of current portion	15,374	15,888
Other	7	15
Total long-term liabilities	25,376	25,525
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS’ EQUITY:
Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value; 30,000,000 shares authorized; 21,947,606 and 21,840,301 shares issued as of March 31, 2024, and December 31, 2023, respectively	22	22
Treasury stock, at cost, 273,937 shares as of March 31, 2024 and December 31, 2023	(1,842)	(1,842)
Additional paid-in capital	399,848	399,336
Accumulated deficit	(339,987)	(341,497)
Total stockholders’ equity	58,041	56,019
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 123,071	$ 135,156