CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
OPERATING ACTIVITIES
Net loss	$ (7,518)	$ (667)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	6,094	4,493
Allowance for doubtful accounts	139	632
Provision for excess and obsolete inventories	2,226	2,770
Stock-based compensation	2,747	1,233
Amortization of debt issuance costs	372	92
Change in fair value of earnout liabilities	60
Deferred income taxes		1,080
Loss on disposal of property and equipment	118	476
Unrealized FX gain/loss	178	153
Changes in other assets and liabilities, net of acquisitions:
Accounts receivable	(807)	1,925
Inventories	(7,860)	(10,018)
Other current assets	(3,952)	948
Accounts payable	3,404	(5,220)
Accrued expenses and other current liabilities	2,935	(2,109)
Income taxes receivable and payable	668	175
Net cash used in operating activities	(1,196)	(4,037)
Cash flows from investing activities
Purchases of property and equipment	(10,270)	(7,511)
Proceeds from sale of property and equipment	581	373
Purchases of intangible assets	(1,196)	(495)
Acquisition of Additive Orthopaedics	(15,000)
Net cash used in investing activities	(25,885)	(7,633)
Cash flows from financing activities
Payments on note payable - related party		(3,000)
Payments on revolving credit facility		(9,821)
Proceeds from issuance of long-term debt	25,985	472
Payments on long-term debt	(5,991)	(1,092)
Proceeds from PPP loan		3,747
Payments of debt issuance costs	(3,080)
Proceeds from issuance of common stock	1,001	1,348
Proceeds from issuance of Series B capital stock, net of issuance costs		36,030
Payments on treasury stock repurchased	(561)	(231)
Proceeds from Stock Options Exercised	442	210
Net cash provided by (used in) financing activities	17,796	27,663
Effect of Exchange Rate on Cash	(340)	(257)
Net decrease in cash	(9,625)	15,736
Cash at beginning of period	17,501	2,610
Cash at end of period	7,876	18,346
Supplemental disclosures of cash flow information:
Cash paid for taxes	381	162
Cash paid for interest	670	466
Purchase of property and equipment included in accounts payable	58
Series B convertible preferred stock dividend	$ 1,516	$ 333