Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 9,503	$ 1,348
Trade accounts receivable - net	22,131	9,806
Inventories - net	58,789	44,460
Prepaid expenses and other current assets	10,996	6,528
Total current assets	101,419	62,142
Property, plant and equipment, less accumulated depreciation	20,035	21,910
Goodwill	47,803	47,803
Intangible assets, less accumulated amortization	21,055	23,150
Right of use asset	6,652	6,559
Other assets	169	85
Total Assets	197,133	161,649
Current liabilities:
Trade accounts payable	6,696	7,644
Accrued expenses and other current liabilities	16,298	8,080
Accrued payroll	2,940	1,394
Cylinder Deposit Liability	12,600	11,337
Short-term debt	7,000	2,000
Current maturities of long-term debt	5,248	7,314
Total current liabilities	50,782	37,769
Deferred tax liability	1,530	1,355
Long-term lease liabilities	3,635	3,927
Long-term debt, less current maturities	74,248	77,976
Total Liabilities	130,195	121,027
Commitments and contingencies
Stockholders' equity:
Preferred stock, shares authorized 5,000,000: Series A Convertible preferred stock, $0.01 par value ($100 liquidation preference value); shares authorized 150,000; none issued or outstanding
Common stock, $0.01 par value; shares authorized 100,000,000; issued and outstanding 43,959,748 and 43,347,887, respectively	440	433
Additional paid-in capital	118,507	118,269
Accumulated deficit	(52,009)	(78,080)
Total Stockholders' Equity	66,938	40,622
Total Liabilities and Stockholders' Equity	$ 197,133	$ 161,649