Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenues	$ 3,983	$ 3,684
Cost of revenues	2,537	2,231
Gross profit	1,446	1,453
Operating expenses
Research and development	6	84
Selling, general and administrative	2,295	2,273
Total operating expenses	2,301	2,357
Loss from operations	(855)	(904)
Interest income (expense), net	0	(1)
Other expense, net	(67)	(193)
Loss before income taxes	(922)	(1,098)
Income tax benefit	35	0
Net loss	$ (887)	$ (1,098)
Net loss per share: basic	$ (0.29)	$ (0.52)
Net loss per share: diluted	$ (0.29)	$ (0.52)
Weighted-average number of shares used in per common share calculations: basic	3,101	2,093
Weighted-average number of shares used in per common share calculations: diluted	3,101	2,093
Other comprehensive loss
Net loss	$ (887)	$ (1,098)
Foreign currency translation adjustments	(65)	307
Comprehensive loss	$ (952)	$ (791)